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The Care And Feeding Of Your Boat's Water SystemsAdvertisement Boating is all about water, inside and outside your boat. Let's take a close look at important maintenance tasks to stay on top of all your water systems.Illustration: Dick Everitt - Anchor/foredeck washdown with pressure pump and foot switch
- Galley sink. Filter for cleaner cold water. Sink drains above waterline at max heel. All thru-hulls must comply with ABYC standards
- Condensation drip tray drains overboard above waterline at max heel per ABYC standards
- Icemaker door open when not used
- Bilge pump drain well above water line on max heel. Smooth inner lining to hose. Vented loop may be needed if drain is near or below water line at max heel
- Head sink with filter on cold water and drain above waterline at max heel
- Shower sump pumped overboard to discharge above water line at max heel. Shower drain hose goes to shower evacuation pump. Head intake hose has a strainer and thru-hull
- All thru-hulls equipped with seacocks. Note double hose clamps
- Holding tank vented with minimum bends for better airflow
- Head discharges to MSD Type 1 with Y-valve
- Holding tank has pumpout hose and gravity discharge overboard after treatment where it's legal
- Water heater has anti-backflow valve to prevent expanding hot water from entering cold water system (This tank is shown lying on its side, an installation seen on some boats. Normally, hot-water tanks are upright.)
- Anti-siphon loops and valves where appropriate
- Potable water tank with fill and vent
- Potable water tank has sediment filter prior to pressure pump
- Accumulation tank diminishes pulsation
- Scuppers drain cockpit. Some boats need scuppers with hose to discharge
Seawater Washing (1) — Seawater systems such as anchor washdown and dishwashing with a seawater foot pump (if you're in clean water and rinse well with potable water) can conserve water. Frequently bathing in saltwater causes skin problems in many people; a freshwater rinse helps. Washdown water pump should be a short distance from the thru-hull but above the waterline. Drinking Water Purity (2, 6) — When in question, can be improved by adding a small amount of bleach. Some authorities recommend adding approximately 1 teaspoon of household bleach with no perfumes, dyes, or other additives per 10 gallons of water. If possible, agitate the water after adding bleach and then let it sit for an hour. Chlorine odor will dissipate after a day. Bleach may initially make the water to which it's added unclear because it's killed the “bugs.” The water clears as these settle to the bottom. Ultimately they should be flushed out. It's preferable and safer to add product manufactured for the purpose; camping stores are good sources. If you have questionable water purity and no way to remedy it, boil water before drinking. Drinking-water filters such as GE's FXUVC under-the-sink cartridge remove many impurities and greatly improve taste. A water system UV light, such as those used in some reverse-osmosis systems, can kill viruses. Air Conditioning & Refrigeration (3) — Condensation drain trays should occasionally be inspected to clear any blockage in drain hoses, which should preferably drain overboard rather than into the bilge. If trays don't drain fully, they'll develop a musty odor that will be circulated by the air handler. Icemakers (4) — Should be left open and off when not being used for a few days or longer to avoid odor and mold. Often the incoming water line is behind the unit in an area warmed by the unit. This facilitates stagnation and odor, particularly in the filter that may be in that area. When in use, the ice bin should be dumped at least every few days to keep water flowing. Good ventilation helps. Bilge Water (5) — Oil-absorbent pads in bilges under the engine and whenever there's oil-spill potential are critical. They must not interfere with the operation of a bilge-pump float switch. Always clean loose fuel and oils out of the bilge with an oil-absorbent pad, and discard appropriately. Proper bilge-pump installation is critical and will vary with different boats. The hose interior should be smooth, the water column in the hose should be no more than needed, and great care must be taken to avoid backflooding from the sea. Visual and audible alarms at the helm are crucial. Bilge pump hose should exit well above water line at maximum heel within the parameters of ABYC standards. Pumps should be in sections where water can pool more than minimally. A basic bilge pump schematic. Sumps (7) — Those used for showers should be cleaned and flushed through regularly, even if the shower isn't often used. Shower sumps should discharge well above the water line at maximum heel within the parameters of ABYC standards. Thru-Hulls (8) — Should be checked for obstruction every time you haul the boat and/or dive the bottom. Inspect them with a strong light, such as Streamlight's Stylus Pro 360 , while hauled. While in the water, you may need to carefully (to avoid damaging hose and valve) work an old table knife or similar tool around inside the hole to clear it of barnacles and other obstructions. A carrot peeler makes a good tool for small holes. If the hole is covered by an external filter, this should be removed, when hauled, for painting inside, inspection, and cleaning. Water Passages (8, 6) from thru-hull openings — Sinks, heads, engines, air conditioners, refrigeration, bilge pumps, and other components use thru-hull openings and hoses. Regularly inspect and operate all thru-hull valves . Some valves periodically require disassembly and lubrication or cleaning while the boat is hauled. You may need to close one quickly when a breach occurs in a water passage inside the boat. Regularly inspect all hoses and connections . Old or suspect hoses will deteriorate over time and should be replaced. Eventually, wire inserts will rust and harm inner and/or outer hose walls. Preferred hose clamps are AWAB brand or similar. Double the clamps (unless doing so would cut into the hose, in which event a longer hose barb is indicated) and regularly inspect. All components should be 316 grade stainless or better. Cheap hose clamps tend to rust and break. Use hose appropriate for the job, such as marine-sanitation hoses for heads. ABYC standards should be followed in these and all other aspects. Holding Tank (9, 10, 11) — Some chemicals added to holding tanks can harm the environment if spilled, either from the boat or from pumpout-disposal systems and system failures. Various companies market what they claim to be environmentally friendly holding-tank additives with varying degrees of effectiveness. Some boaters install a Raritan ElectroScan MSD plumbed to treat and discharge overboard where it's legal, and treat and discharge into the holding tank at other times. Head Water (10) — Regular addition of products such as Star brite Instant Fresh Toilet Treatment and Raritan CP help keep head water odorless and improve operation of the head . Petroleum-based products can harm valves, seals, and gaskets. Check manufacturer's recommendations. Regularly pouring white vinegar into the head and flushing will help diminish calcium buildup on inside walls of head plumbing. Raritan's CH is stated to be environmentally harmless and is specially formulated to remove heavy calcium buildup as well as prevent buildup if used regularly. Head discharge hoses should be specified for MSD use. Other types of hoses are usually more likely to develop calcium buildup, deposits, blockages, and odor permeation. Plumbing the head to flush with fresh water can reduce odor. The head intake hose is positioned as it is in the illustration for clarity, but should be far enough from the head discharge to avoid sucking up waste. Water Heater (12) — Should be standing upright with a backflow valve between the incoming cold water and the heater. Requires periodic flushing by squirting in clean dock water with a water hose under moderate pressure through a discharge port at top, squirting around inside as much as practical, and draining through open intake port at bottom. Some water heaters have an anode for cathodic protection that should be checked yearly. Anti-Siphon Loops and Valves (13) — Are needed in some hoses that exit underwater to prevent water from siphoning into the boat. Whether anti-siphon valves and loops are used depends in part on the location of relevant components in the boat and whether they're below the waterline or could end up below the waterline. These components may include heads, sinks, and engines and their raw-water intake and exhaust systems. As a precaution, when you're away from your boat, close the underwater seacocks. Potable Water Tank (14, 15, 16) — Should be treated periodically with a product such as Star brite AQUA Water Treatment & Freshener to remove odors, scale, and bad taste. Also, thoroughly flush tank with clean water and pressure nozzle. Drain from bottom if possible; if not, pump it out. Follow manufacturer directions when applying anything to drinking water. Follow instructions and warnings for cleaning additives, particularly with aluminum tanks. New tanks, especially fiberglass or plastic, may smell of the material of which they're made. Often, adding baking soda to the water will help, as well as with other odors later. The amount depends on the severity of the problem and volume of the tank. Clarity of water may vary with source, such as from wells, cisterns, public water works, and reverse osmosis. The latter source, if coupled with a UV light and maintained well, probably produces the best water. Drains and Scuppers (17) — Cockpits, side decks, and other areas of a boat normally have drains to rid the boat of rain and boarding seas. Test these regularly with a hose to be sure they're draining adequately. Leaves, plant material, dirt, and other debris can quickly obstruct them. Boats can sink if drains aren't kept clear. Clear them with a high-pressure hose nozzle or plunger. Related ArticlesThe truth about ceramic coatings for boats. Our editor investigates the marketing claims of consumer-grade ceramic coatings. Fine-Tune Your Side Scan FishfinderTake your side-scanning fishfinder off auto mode, and you’ll be spotting your prey from afar in no time DIY Boat Foam DeckingClosed-cell foam flooring helps make boating more comfortable. Here’s how to install it on your vessel Click to explore related articles Technical Editor, BoatUS Magazine One of the top technical experts in the marine industry, Tom Neale, BoatUS Magazine Technical Editor, has won nine first-place awards from Boating Writers International, and is author of the magazine’s popular "Ask The Experts" column. His depth of technical knowledge comes from living aboard various boats with his family for more than 30 years, cruising far and wide, and essentially learning how to install, fix, and rebuild every system onboard himself. A lawyer by training, for most of his career Tom has been an editor and columnist at national magazines such as Cruising World, PassageMaker, and Soundings. He wrote the acclaimed memoir All In The Same Boat (McGraw Hill), as well as Chesapeake Bay Cruising Guide, Vol. 1. These days, Tom and his wife Mel enjoy cruising their 2006 Camano 41 Chez Nous with their grandchildren. BoatUS Magazine Is A Benefit Of BoatUS MembershipMembership Benefits Include: Subscription to the print version of BoatUS Magazine 4% back on purchases from West Marine stores or online at WestMarine.com Discounts on fuel, transient slips, repairs and more at over 1,200 businesses Deals on cruises, charters, car rentals, hotel stays and more… All for only $25/year! We use cookies to enhance your visit to our website and to improve your experience. By continuing to use our website, you’re agreeing to our cookie policy. - sunwatermarine
- Dec 8, 2021
5 Best Watermakers for SailboatsLast Updated by Daniel Wade, October 1, 2021 With the right Watermaker, the ocean becomes an almost immeasurable supply of fresh and clean drinking water to keep you hydrated during your offshore sailing adventures. Many sailors do spend a lot of their time and money on various parts of the sailboat including the sails, engine, electronics, and generators especially when preparing for long-distance voyages. While there's absolutely nothing wrong with this, they often overlook one crucial part of general human survival: having an ample supply of fresh drinking water. Whether you have freshwater drinking tanks on your sailboat or planning to cruise in areas where you can easily access clean drinking water, the hassle involved in having to come to the dock to fill the water tanks can be quite overwhelming. This is exactly why you need to find the best watermakers for sailboats. Like many other nautical technologies, watermakers have significantly advanced in the last few decades to become very efficient and more reliable. They're no longer a luxury on your sailboat but a necessity. Better still, watermakers have become relatively affordable and are meant to keep you hydrated as you explore areas that do not have clean and fresh drinking water. In this article, we'll take a look at how watermaker systems work, highlight their benefits, and highlight the best sailboat watermakers on the market right now. At the end of this read, you should be able to choose the best watermaker for your sailboat. Benefits of Having a Watermaker on Your SailboatThe freedom and security that come with having full water tanks on your sailboat are of immense importance, especially if you're cruising in an area where fresh drinking water is hard to come by and quite expensive when you do. As such, having a watermaker aboard your sailboat is no longer a luxury like it used to be in the past. With a steady supply of fresh and clean water, your life on the sailboat will be a lot better. This is because you'll have enough clean water to drink, cook, wash, and shower, which is beneficial if you want to enjoy your sailing adventures. Honestly speaking, many sailors do not actually need a watermaker. Well, if you're planning to sail just near the shores, then there's a chance that you can easily access fresh and clean water by the dock. But this can be limiting if you've been dreaming of going off the grid and sailing to some exotic and unknown places in the world. With that in mind, a watermaker makes a lot of sense to most sailors. You won't have to worry about having to carry aboard gallons of freshwater for cooking and drinking during your voyage. You won't have to treat freshwater as a precious commodity that must last until you can refill at the next port. With a watermaker, you can simply go ocean crossing without worrying about running out of water. A watermaker allows you to have a steady supply of fresh and clean water to keep everybody well-hydrated and healthy. You can clean the water anytime you feel like and all you have to do is replace the filter once in a while and you'll be good to go. In essence, a watermaker is probably one of the most important equipment to have aboard your sailboat, so installing it is of great importance if you're a serious sailor. The Basics of Modern Marine WatermakersModern marine watermakers essentially follow the principle of reverse-osmosis to produce pure, drinking water from seawater. During this process and through very high pressure, seawater is forced through a semipermeable membrane that only allows freshwater molecules to pass through it but not salt, bacteria, or any other organic material. The newly made pure, drinking water is then piped to the sailboat's water tanks while the leftover (brine) is discharged overboard. Even though marine watermakers may differ in the type of pump that's employed and how it is driven, this is one of the most important features in every watermaker. In most cases, water can be electrically pumped or powered directly off the boat's engine. If you have an AC generator or alternator on your boat, it would make much sense to use the AC output to drive the watermaker directly. You can also choose the DC-powered models if you rely on renewable energy from solar or wind. Alternatively, you can still go for AC-powered watermakers but you'll have to buy an inverter. All in all, DC-powered watermakers are more efficient since they integrate a power-saving energy recovery system (ERS). You must, however, keep in mind that your energy consumption levels might be quite high if you're sailing in colder and saltier areas. This is because the water purification process might be a bit slower in such areas. As such, you should consider investing in a more high-powered watermaker system if you will be sailing in colder and saltier areas than if you're planning to sail more in warm and less salty areas. As far as an engine-driven watermaker is concerned, you should mount the high-pressure pump on the engine so that it can be belt-driven using an automatic clutch. An engine-driven watermaker should be your first option if you want large quantities of fresh drinking water. This is more productive than AC or DC-powered watermakers. Even with a relatively small engine, this setup has an automatic regulator that constantly pumps the water. With that in mind, engine-driven watermakers are ideal if you want to reduce your energy consumption. To put it into perspective, an engine-driven watermaker can lower energy consumption by an enormous 80%, especially when compared with conventional AC or DC-powered watermaker systems. How to Choose the Best Watermaker for Your SailboatThere are many factors to consider when looking for the best watermakers for your sailboat. Here are the most important things to consider. Your Freshwater Needs One of the most important things to consider before spending your money on a watermaker is your freshwater needs. What quantity would be enough to keep you going on your sailing adventure? While the quantity might differ from one sailor to the other or from one boat to the other, you should consider the number of gallons that a particular watermaker can produce per day. This will help you in choosing the ideal watermaker; a model that will ensure that you never run out of water. Do not underestimate your water needs, especially if you're planning to sail with your children or if you're planning to stay on the boat for an extended period of time. Do you have enough space on your vessel to accommodate the type of watermaker you're looking to buy? While most watermakers are designed to fit in the smallest of space, you should consider the actual size of the watermaker and find out whether you have enough space on your vessel to fix it. Watermakers can run on electricity, renewable energy such as wind and solar (if you have them on your vessel), or both. When looking for the perfect watermaker, you should consider how to power it and whether or not the watermaker has low-energy consumption, which is definitely a great feature. Again, there are also engine-driven watermakers, so it's important to know exactly what you're going for. Maintenance Watermakers have a reputation for being difficult to maintain. Fortunately, the equipment and components have improved in the last few years so you should go for a model that's easy to maintain. You should use the watermaker in water bodies that look good, You should avoid using the watermaker in dirty harbors as you may have to change the filters every so often or even damage your watermaker altogether. Best Watermakers for SailboatsLet's take a look at the best watermakers available on the market right now. The Ultra WhisperEngineered by limited electrical options that can run on either DC or AC, THE Ultra Whisper by Sea Recovery is one of the best watermakers currently available on the market. In addition to being very quiet, this watermaker features an automatic operation that requires very minimal operator adjustment. This watermaker is ideal for small powerboats and sailboats since it can serve as an efficient water supply. This model boasts about a 75% reduction in power consumption, especially when compared to other models. Smooth and quiet water production Can produce up to 2,280 liters per day Ideal for small boats It is energy efficient It might not be perfect for large boats Echotec WatermakerIf you want a watermaker model that can produce 60 liters per hour flawlessly and with no maintenance apart from changing the filters, look no further than the Echotec Watermaker. This model is designed for ultra-reliable performance and easy customer installation. This watermaker is made from high-quality components that can withstand the continuous harsh marine environment, making it one of the most durable watermakers on the market. This is essentially a series of modular watermakers ranging from 12-volt to 24-volt DC-powered models. They bring forth energy efficiency, a computerized energy recovery system, and ultimate reliability to ensure that you never run out of fresh drinking water while out there on the sea. Energy efficient Cost-effective Comes with a very low speed Not ideal for large boats Spectra Katadyn PowerSurvivorAs a compact and energy-efficient watermaker, the Spectra Katadyn PowerSurvivor is arguably the most affordable watermaker currently available on the market. We are talking about a model that only requires 4 amps to desalinate water for your sailboat. It can produce 1.5 gallons of fresh drinking water per hour, which is an excellent return for a watermaker of its size. It is also one of the most portable watermakers around. You can choose to either install it permanently or temporarily in case you want to take it somewhere else. This portability is also essential if you're looking for a space-saving model that can fit in the smallest of compartments. Its simple but rugged design is essential in ensuring that it can perform at its best even in harsh marine conditions. In terms of its power capabilities, this is the only model on the market that will convert to a hand-operated system or manual power if there's a power shortage. Portable and lightweight Rugged design to withstand harsh marine environments Efficient and reliable Can revert to manual power if there's a power shortage Perfect for off-grid sailing Gasoline or diesel can easily damage the semi-permeable membrane Village Marine - Little Wonder SeriesWhether you're looking for a watermaker for your small sailboat or looking for a watermaker that can efficiently serve those huge yachts, the Village Marine Little Wonder Series provides everything. This model is meant for experienced sailors who are looking for various capacity options. This watermaker weighs just about 69 pounds but can produce nearly 180 gallons of fresh drinking water each day. Designed with a low RPM high-pressure pump, this model remains one of the most efficient and economical watermakers on the market. That's not all; this watermaker is designed with corrosion-resistant features and is one of the most serviceable watermakers in the game. It is reliable, quiet, and portable; all factors that make a watermaker great. Easy to operate Corrosion-resistant Easy to maintain Quiet and versatile It doesn't have automatic adjustment controls Ventura 150 WatermakerThis is one of the most versatile watermakers on the market. It can use both electricity and renewable energy. This model is engineered to be lightweight and energy-efficient and its compact and modular design makes it a great option if you're looking for a watermaker that's easy to use and install in confined spaces. The Ventura 150 watermaker is highly efficient as it can produce over 6 gallons of water an hour, which makes it quite perfect for small vessels. This sailboat watermaker features a controller that allows you to operate and monitor the device remotely. It also has the auto store button that will automatically flash the system after every five days. This watermaker is quiet and surprisingly compact despite its ability to produce about 150 gallons of water per day. It also gives you the option of going for the automated manual or manual model. Very versatile Can use both electricity and renewable energy power It is smooth and quiet It is compact and lightweight The manual model has analog controls To this end, it's easy to see that having an ideal watermaker aboard your vessel is one of the first crucial steps towards being self-sufficient and sustainable. With a watermaker, you'll be able to access fresh drinking water at all times when sailing even in far-flung places. Most of these models are well-constructed and incorporate some of the best technologies that make them efficient, reliable, and easy to install, use, and maintain. So when it comes to choosing the best watermaker for your sailboat, it may all come down to what is ideal for you in terms of energy consumption, efficiency, the quantity of water produced, among many other things. With an ideal watermaker, you can remain off the grid for as long as you want without ever worrying about running out of water and this is of great importance in enjoying your sailing adventures. Recent PostsJames Richmond on bluedotliving.com Flanigan's Eco-Logic Convo Featuring James Richmond Horsepower VS. Torque Please verify you are a humanAccess to this page has been denied because we believe you are using automation tools to browse the website. This may happen as a result of the following: - Javascript is disabled or blocked by an extension (ad blockers for example)
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Please make sure that Javascript and cookies are enabled on your browser and that you are not blocking them from loading. Reference ID: c8f390e8-6de9-11ef-859d-b52d53cd8318 Powered by PerimeterX , Inc. 3 Best Watermakers for Sailboats (Reviews & Buying Guide)With a boat surrounded by water, there’s surely no such thing as dehydration out on the sea. Right? Well, not exactly. There’s way too much salt in seawater, and your kidneys would have to work overtime to filter it out. And to do that, they would need more water, which explains why copious amounts of seawater is toxic to humans. So before you take a sip of that salty brine, why not pass it through a watermaker? The best watermakers for sailboats can take seawater and turn it into potable drinking water, giving you an infinite water supply to keep you hydrated and healthy on extended excursions. What is a Watermaker?Otherwise called a ‘desalinator’, a watermaker takes salty seawater and passes it through a process called reverse osmosis. This happens by pushing the water through a semi permeable membrane that allows the water molecules to pass through, but restricts salt, bacteria, and other organic material. The clean, drinkable water is then passed into a water tank where you can then collect water for use. The remaining brine that was left during filtration is then tossed overboard and discarded. What’s nice is that these machines don’t use any chemicals, so there’s no risk of water contamination or pollution. Some machines also use a pre or post treatment of the water using things like filters, sand, activated carbon, remineralization, or microfiltration to guarantee safe drinking water. The Benefits of WatermakersModern-day technology has made it possible for manufacturers to develop more compact, efficient watermakers than ever before. This has also significantly driven down prices, making them far more accessible to sailors of all backgrounds. Today, watermakers are recognized as a sailboat essential, especially for people who frequent the waves for long periods of time. Some of the benefits of these machines include: Efficient Speed and Fuel ConsumptionYes, you read that right. Consider this - just 1 gallon of water weighs 8.3 pounds. If you’ve got 10 gallons on board, that’s equivalent to 83 pounds. A hundred gallons, and you’ve got an extra 830 pounds on board. Watermakers allow boat owners to shave down their total weight. This lets you sail more efficiently, allowing faster speeds and lower fuel consumption which is important when you’re planning to sail long distances . More Floor AreaWithout a watermaker, you’d have to find room on board for the several tens or hundreds of gallons you need to bring with you. That also entails finding a place on your boat to store these water vats, which would obviously require significant room. The watermakers of today are compact and lightweight. They can be either modular or self-contained, giving you different options to match your boat’s floor plan and use as little space as possible. Safe SailingTo ensure safe sailing, some studies have found that dehydration might actually be the reason for poor sailing performance. With dehydrated captains feeling lightheaded, achy, tired, and confused, it becomes increasingly likely to run into an accident that could endanger the lives of the people on board. A watermaker guarantees that there will be fresh potable water at the ready any time you might need it. This doesn’t only curb the chances of dehydration, but also provides a solution for a variety of health conditions including diarrhea and various types of infections. Extended Sailing DurationYou’ll only be able to sail for as long as your supplies on-board last. As your drinking water runs low, you’ll find yourself having to find the nearest dock to replenish supplies every so often. That’s if there are docks and shores you can access throughout your route. But what if there aren’t any? Having the necessary equipment on board to extend your supply also means that you won’t have to rely on on-shore facilities to see you through your trip. This gives you more independence and flexibility as well as reducing the need to calculate complicated logistics. Easier Boat MaintenanceWhether you’re underway or parked at the dock, your watermaker can help streamline boat maintenance by bringing freshwater straight to your vessel. With no need to collect buckets of water to lug back on board for a washdown, you can cut back the time and effort it usually takes to keep your boat clean. Lots of boat owners even use their watermaker to give their boats a quick clean while they’re out at sea. This helps get rid of accumulated filth and dirt, reducing the need for a tedious deep clean once you get back to the dock. The 3 Best Watermakers for SailboatsBack in the day, watermakers were a luxury for the rich and the capable. But today, they’re incredibly affordable and easily accessible. Needless to say, manufacturers have also taken liberties with designing their own machines. For you, that means an endless list of watermaker bets that could easily screw up your choice. So to help narrow down your options and lead you to the right one, here are our top 3 vetted picks: 1. Katadyn Power Survivor 40E Watermaker DesalinatorSmall yet powerful, the Katadyn Power Survivor 40E is a reliable workhorse designed for boats with a small crew population of 2 to 3. This modular unit provides 1.5 gallons of water per hour, and draws only 4 amps from a 12-volt system, making it one of the most energy efficient desalinators out there. This ‘Energy Recovery’ system works to desalinate seawater at just a fraction of the energy used by other watermakers in the same segment. Thus the device gets its name: Power Survivor. Silent and lightweight, the machine lets you separate its primary system components so you can install the device seamlessly even in tight or awkward, irregular spaces. Most of its parts also come with a 3-year warranty, giving you that extra peace of mind versus damages and malfunctions. 2. AMPAC USA SeaPro Saltwater Desalination RO WatermakerAble to produce 100 gallons per day, this watermaker was designed for use on small power boats or sailboats. Its super quiet automatic operation features intuitive controls that let you start and stop the desalination process with the push of a button. Equipped with a noise pulsation dampener, the sounds produced during operation are negligible at best. This lets you run the machine in the evening to store up clean water for the next day without having to disturb your crew’s peace and quiet. For boats with limited space, the SeaPro comes in a modular design that’s perfect for tight floor areas. It also comes in a partially mounted compact frame option that lets you fit the desalinator in place with little time and effort. 3. Rainman 12 Volt DC WatermakerAccording to Rainman, their 12 Volt DC Watermaker consumes the least energy, able to filter 9 gallons of water per hour. The design touts a two-part system -- one pressure supply unit and another reverse osmosis unit. The former lifts the seawater from the source, while the other performs the desalination process. What’s unique about Rainman’s watermaker is that the design gives you the option to install the unit directly to your boat, or to keep it handy as a portable watermaker system. This offers immense flexibility, allowing you to set up or take down your system as your situation calls for. Aside from all of that, the Rainman Desalinator also features a streamlined control panel that makes everything easy to understand and operate at a glance. It also comes equipped with its own LED salinity sensor that tells you when water is good enough to store in your tank. Choosing the Right Desalinator WatermakerNot quite sure which one is right for you? Here are a few factors worth taking into consideration when buying a watermaker. Size and InstallationThere are two major options: modular and self-contained. The modular system lets you take the unit apart to install each part at a different part of your boat. This one’s ideal for boats with limited space. The self-contained system has the entire unit built together, which means it has to be installed as one piece. Gallons Per HourHow big is your crew? More people means you might need a watermaker with a higher GPH. Smaller machines capable of 1.5 to 2 GPH might be good for crews of 2-3 persons. But larger boats may need several hundreds of GPH to meet all of the crew’s needs. * See: What size Yacht will Require a Crew? Non-Proprietary PartsYou’re going to make part replacements one way or another. See to it that you’re buying a machine that uses non-proprietary parts so you can purchase the necessary replacements anywhere online. Warranty and ServicesIn case anything happens to your watermaker, who will be there to help you fix it? Check the warranty coverage and see how long the manufacturer is willing to cover it for damages and malfunction. It’s also important to make sure there’s a nearby service center to cater to your needs in case of damage. Water You Waiting For?The best watermakers for sailboats offer to give you a virtually endless supply of clean drinking water when you need it. But there are a ton of choices on the market, so it pays to know what you’re getting before you shell out that cash. Consider our bets for the best desalinators for your sailboat, and keep your crew happy, healthy, and hydrated all along the way. Related PostsDo Yachts Have Air Conditioning? (Yacht AC Types)How to Become a Yacht Broker: Requirements ExplainedIs Sailing Dangerous? (How Safe or Dangerous Is It?)What to Wear to a Yacht Party: Business or Leisure |
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Flushing the system. Commissioning your boat's freshwater system consists primarily of making sure it is purged of any antifreeze that was introduced when it was decommissioned. Start with the water tank. Open the inspection port and pump or sponge away any puddles of antifreeze that may be present below the freshwater pickup.
Pressurized water systems make life aboard more comfortable by providing water "on tap" for dishwashing, showers and other applications. The complexity of installing and maintaining one depends on the number of outlets and accessories you choose. The Whale Water System is a user-friendly system for the do-it-yourself boat owner.
Spectra Katadyn PowerSurvivor. As a compact and energy-efficient watermaker, the Spectra Katadyn PowerSurvivor is arguably the most affordable watermaker currently available on the market. We are talking about a model that only requires 4 amps to desalinate water for your sailboat.
Camco's TastePURE Spring Fresh Fresh Water System Cleaner and Deodorizer contains a food-grade surfactant and is a better cleaner than plain bleach sanitizing. As with the Star brite, we caution against adding bleach to the product as a bad reaction will occur. ... This is the most thorough boat water treatise I've seen yet. Thanks all ...
Whale photo. Remove the fresh water supply hose from the hand pump to see if water is flowing from it. If water flow is not present you can try moving the hose end to a lower point in the boat or simply try sucking on it like a straw. If there's good water flow, then your hand pump likely needs a rebuild.
Jan 18, 2016. Installation of a new freshwater system is an easy weekend's work. It was the sulfurous smell of the water issuing from Ostara 's galley faucet that finally tipped me over the edge. I could live with bottled drinking water, but when you can't even bring yourself to wash dishes with your tank water, it's time to do ...
One of the most effective solutions for sailboats to get fresh water is by collecting rainwater. Sailors can use a variety of methods to collect rainwater and store it on board. These include using a tarp to collect rainwater, using a rainwater catchment system to collect and store large amounts of water, or using a container to collect smaller ...
Since all of the watermakers that are currently available for cruising sailboats use this process for desalination, the major differences between the systems are how you power the high-pressure pump and the user interface. Powering options include 120/220-volt AC, 12- or 24-volt DC and engine/belt driven. All have their pros and cons.
Pump a 50:50 solution of water and white vinegar through the heads and leave it overnight to clean mineral deposits on the inside of the bowl, pump and valves. Follow up with a healthy shot of washing-up liquid or baby oil to lubricate the pump. Operate all seacocks to make sure they are free to turn (Photo 6).
The Ultra Whisper. The Ultra Whisper by Sea Recovery is best for small boats and sailboats, this super low power machine is specifically engineered for boaters with limited electrical options and can run on either AC or DC power, boasting a 75% reduction in power consumption over other models. It's also very quiet (hence its name)so it won ...
The best sailboat watermakers for liveaboards. The Rainman naked 12V watermaker is a great option for anyone looking for a compact, efficient way to produce fresh water. The unit is simple to set up and use, and it produces up to 30 litres of fresh water per hour for a smaller unit, or up to 140 litres per hour for a larger one.
Here are three of the highest-rated RO filter systems on the market. 1. Seawater Pro Reverse Osmosis Desalinator and Watermaker. The best modular water filtration unit available for boats is the Seawater Pro three-membrane system. This all-in-one marine water purification machine is designed for medium-sized sailboats and powerboats.
A freshwater flush kit-highly-desirable in any installation-is a $125 option. The 12-volt booster pump, drawing 1 amp, is a $120 option. An extensive cruising kit, including 12 pre-filters, rebuild parts for the high-pressure pump, cleaner, preservative, and other spares, costs $330. SKs pricing is very competitive.
A high-pressure pump pushes seawater through a semi-permeable membrane that filters out salt, organics, and bacteria. The fresh water is pumped into your water tanks while the remaining brine bi-product is discharged over the side of the boat, back into the ocean. Schematic of a Rainman watermaker system. Photo credit: Rainman.
The semi-permeable membranes found on today's watermakers are rated to work in temperatures up to 120F, which means they will do fine in your boat's engine space. The fact that they contain water and are continuously receiving a fresh supply of the stuff when in use only makes them all the more heat tolerant.
Supply piping for a boat water system must be non-toxic, non-contaminating, taste-free, and FDA approved for drinking water. If the system is pressurized or will carry hot water, the piping needs to be suitable. ... There are collateral benefits of running fresh water through the head. Shower pans too often drain into the bilge to be pumped ...
I've started noticing a small amount of water (3-4 gal) in the bilge, and I've narrowed things down to a leak in my fresh water system. I've included a drawing of my water system. My first troubleshooting step was to fill the tanks, shut all the intake manifold valves, and then shut down the water pump.Then let the boat sit for a few days. Good news there wasn't all water in the bilge, and ...
Seawater Washing (1) — Seawater systems such as anchor washdown and dishwashing with a seawater foot pump (if you're in clean water and rinse well with potable water) can conserve water. Frequently bathing in saltwater causes skin problems in many people; a freshwater rinse helps. Washdown water pump should be a short distance from the thru-hull but above the waterline.
Basic 30 (8-Gallon) Stainless Steel Water Heater, 115V/750W. Slim 20 (5.3-Gallon) Stainless Steel Water Heater, 115V/750W. 6 Gallon Front/Rear Mount Water Heater with Heat Exchanger, 120V. CONTACT WEST MARINE. Live Chat. Store Locator. Shop the best selection of Freshwater Systems from West Marine. Visit for products, prices, deals and more!
Last Updated by Daniel Wade, October 1, 2021With the right Watermaker, the ocean becomes an almost immeasurable supply of fresh and clean drinking water to keep you hydrated during your offshore sailing adventures.Many sailors do spend a lot of their time and money on various parts of the sailboat including the sails, engine, electronics, and generators especially when preparing for long ...
Unless all water is removed and replaced with antifreeze, you run the risk of a freeze destroying water lines and equipment. Winterizing your boat's freshwater system is a simple process, which can be broken down into three steps. Before You Begin. Step One: Open the Faucets. Step Two: Pour in the Antifreeze.
One of Tecnicomar's most popular systems designed for mid-range cruising yachts is the modular Oasi device, which is available in two sizes: 30 and 60. The company also makes a self-contained AC model called the Sailor Compact, available in a "slim" version for installation into extra tight spaces. tecnicomar.it.
1. Katadyn Power Survivor 40E Watermaker Desalinator. Small yet powerful, the Katadyn Power Survivor 40E is a reliable workhorse designed for boats with a small crew population of 2 to 3. This modular unit provides 1.5 gallons of water per hour, and draws only 4 amps from a 12-volt system, making it one of the most energy efficient desalinators ...