Rainman is far easier to remove than any other system. This short review of the Rainman watermaker was originally posted by Janko in the Sailing Blog – May 2015. This covers the vast majority of AC power set ups around the world (the Philippines is an exception). 2 prefilters instead of 1. Rainman Watermakers in a case (referred to as cased from now on) can be run either portable or installed, while our naked systems are designed for installed application only. Avoid installation process and have a device that could be used on land or in other situations (natural disaster). Over a few years, Steve and Sam are sailing on their Bavaria 44 “Wanderlust” to locations generally bound by Trinidad and Tobago, Panama, Honduras, Anguilla and just about everywhere in between. Billy and Sierra from Tula’s Endless Summer recently installed a Rainman Naked AC watermaker. Ten minutes after receiving the system, you can be making fresh drinking water. Keep in mind there are different options for reverse osmosis (RO) units, so the fresh product water. Panel requires only low voltage wiring. Phone +61 433 826 626 Email – Sales info@rainmandesal. Simply place the unit on the. They recently decided to invest in a desalination system to. The Rainman Watermaker. Rainman Portable Watermaker - Gasoline. 1 Year warranty. That means while you are spending $200/month your actual true cost is closer to $100/month. Installed and portable water makers. At the end of year 3 you still have a watermaker. Portable and Installed Watermakers; Menu. When desalinating brackish water, Rainman recommendsWatermaker installation tutorial for Rainman AC Naked on Warrior 38 (Northern Europe) Providing emergency water desalination after Typhoon Rai (Philippines) Lagoon 450 F achieves watermaker redundancy with Rainman (French Polynesia) Sailing Good Bad and Ugly Review Their Portable Watermaker (Puerto Rico)Rainman desalinator pressure supply unit and RO membrane units are guaranteed to be free of manufacturer defects and to perform within the published specifications for a period of two years from the date of shipment to the original purchaser. At long last a Water Maker company that has cut out all the jargon and brought us an easy to use both portable and installed system. 2MB) Need help setting up, installing or using your Rainman water maker? Visit our website for extensive installation and instruction manuals, FAQs and support. No location is out of bounds. This means it has two large capacitors in the case above the motor windings. With the first time set up of your portable desalination in as little as 10 minutes, you can benefit from a fully. Does it matter whether I purchase my Rainman unit direct from Rainman Technology versus through an authorised dealer? A dealer will be able to offer more personalised service and the same competitive pricing. This fresh approach to desalination eliminates unnecessary componetary and electronics. To save endless trips ashore or to. The Rainman Naked watermakers include this plumbing install kit as part of the purchase. Global distribution. . Rainman Watermakers can be portable or installed! We service Brisbane, Gold Coast and Sunshine Coast and can come to you to discuss your needs. Anchoring where and when you want completes the dream. Hi Pee Wee, only last night I was talking to a friend who has a Rainman water maker on his boat. 2MB) Sodium Metabisulphite Material Safety Data Sheet (0. Rainman can be fully portable or semi-installed like ours with the membranes mounted on the wall to maximise space in our 12 metre cat. SeaTask, the US distributor for Rainman portable watermakers, put on a great demo at Boot Key Harbor today and left their demo unit for us to use and. the system is simple, robust and designed for ease of use and maintenance. the system is simple, robust and designed for ease of use and maintenance. Rainman is set up as a portable system, designed to run off of a 2000W generator. Installed or portable water maker options. Helpful Links. Portable and Installed Watermakers; FIND A DEALER >. A non complex system that is easy to operate and within minutes have fresh drinking water on stream. Rainman Watermakers use top quality components from leading manufacturer to build the system. The problem with these. Vessel Model: '05 Mainship 40T. The standard hose lengths are 5 metres (16 ft), but a 10 metre (32 ft) can be special ordered if required. Portable. Easily portable the Rainman Water Maker adds a new choice in watermaking systems. Flavour of the month is Rainman; it’s beautifully made, can be totally portable, partly or fully installed, and makes up to 140 litres of water an hour. He bought his Aquila from Multihull Central and spoke with Brett Swann, The Watermaker Man. Weighs 50lbs. Top quality components and materials adds reliability and corrosion resistance. Your $6k watermaker may now be worth $3600. Easy to install and comes with everything you need, including optional remote control panel and stainless pump for a sleek look. Matt and Kristen from Sailing Good Bad and Ugly bought a sailing yacht off of Craigslist, fixed it up, and are sailing around the Caribbean. Low pressure gauge indicates when to change prefilter. Are you thinking of buying a water-maker? We look at a different system to our own and wonder if this is the best water maker for cruisers? Skip to 08:36 for. Looking for a reliable and affordable AC watermaker system? Our SeaWater Pro unit produces 40 gallons of freshwater per hour with manual controls for greater reliability. The Rainman Watermaker control panel is an optional accessory that is designed to provide a sleek, presentable and functional interface to your Watermaker installation. It is very compact, and like all PUR watermakers, easy to service and operate. Our products are designed to provide clean and safe drinking water, even in the most remote locations. This easy-to-use system comes in a hard shell, splash resistant case, and can purify freshwater or desalinate seawater. Service Manager Rafael Escobar shares excitement about the new partnership: “Rainman water makers and Just Catamarans Service has partnered up to bring cruisers a quality water maker. This assists in prevention of fouling the reverse osmosis (RO) membranes. I own a 400 GPD Spectra unit (also a Katadyn 40) and have been in charge of an industrial 45,000 GPD unit. No location is out of bounds. He got fitted up with a Rainman Naked watermaker and the optional. I sailed from Denmark in 2017 in my 40 foot monohull, an Aphrodite 40 from 1986. The primary. Jen Brett. Although Rainman water makers are highly reliable, there are some issues that can periodically arise. Kelly doing the honors – flipping the switch on the Rainman Watermaker They would store the two unit system in an. Understanding both options will give you better appreciation of how your watermaker operates. Dan Vithanage. Browse Categories. Panel dimensions: 280 x 280mm (11 x 11″), cutout size 250 x 250mm (9. Ron Schroeder, Director of Rainman Desalination, is excited about his company's prospects and its innovative approach to desalination. However, when the system goes unused for an extended period of time, the membranes need to be “pickled” to ensure rotting. 1. Portable marine watermaker. A yacht club friend told me about a portable water maker from a company called Rainman recently, and they appear to be an interesting option. Chesapeake Bay Magazine – Video Review of Portable Rainman Watermaker. From $3,495. Find a Rainman water maker saltwater desalinator distributors near you. Enjoy fresh water anywhere with a Rainman water maker & saltwater desalination system. The Rainman works out of the box with no installation; all parts are off-the-shelf; it is designed to be able to be repaired by the average cruiser. Most cruisers that don't have one, wish they did (particularly in places like the Bahamas), and I am no exception. AC Systems are capable of up to 37 GPH. Makes a nice pressure washer, too. The Rainman Watermaker AC model, it uses an onboard power source like a generator or inverter to power the unit. This is a guide only. [SOLD] Rainman portable Watermaker: lisabat: General. Total weight 104 lbs. The most effective support can be provided if you are able to complete the online form. the system is simple, robust and designed for ease of use and maintenance. NEW and exclusive to Sailfish Marine - Eco-Sistems SP25DC energy recovery watermaker - without doubt the best value unit available. Over time it is possible for these to wear out, especially if the hose is vibrating against an edge of some kind. watermaker. 0 – 150lph (40gph) product water flow meter, integrated into RO case. They can be installed in a minimum footprint configurat Fresh Water Anywhere AC Electric, Petrol (Gasoline) and 12VDC Watermakers Portable and Installed models available A fresh approach to saltwater desalination. Rainman watermakers are a compact and portable solution designed to generate a fresh water supply from seawater. Our AC sy. Stores easily with other equipment. If the Rainman high pressure hose is difficult to insert into the quick connect socket, it may be that the o-ring requires replacing. Global delivery. Each can be converted to the other for maximum flexibility! Portable and installed systems allow for you to choose the best fit for your application as your preference changes. The Rainman installation system consists of parts that will allow you to install your AC electric or 12VDC watermaker. 1 hp Honda four-stroke. One portable and one installed, providing full watermaker redundancy. Installation will vary from vessel to vessel. Start enjoying fresh water within 10 minutes with the Rainman watermaker and saltwater desalination system. If you are looking for a top quality watermaker that can provide an abundance of fresh, clean water, then look no further than the Rainman Watermaker. Clipper Round The World Race – Emergency water maker replacement (Australia)watermaker. Up to 230 lph (60 gph) instead of 140 lph (37 gph) Higher power consumption. In order to optimise the design of Rainman’s Control Panel, we needed to make updates on some of the parts involved. If you spend most of your time away from a dock, it’s a great convenience. Are you thinking of buying a water-maker? We look at a different system to our own and wonder if this is the best water maker for cruisers? Skip to 08:36 for. Watermaker installation tutorial for Rainman AC Naked on Warrior 38 (Northern Europe) Providing emergency water desalination after Typhoon Rai (Philippines) Lagoon 450 F achieves watermaker redundancy with Rainman (French Polynesia) Sailing Good Bad and Ugly Review Their Portable Watermaker (Puerto Rico)Rainman watermakers are a compact and portable solution designed to generate a fresh water supply from salt or brackish water. Great to see so much interest in my choice of. Running three separate two. New $4700 dropped price to $3000 (plus shipping) or reasonable offer. Adam Hayter from Adam Hayter Shipwrights executed a beautiful installation on a nearly new Lagoon 42″ sailing catamaran. running out of fresh water. Enjoy freshwater anywhere with the Rainman Watermaker portable saltwater desalination system. rainman portable watermaker 12volt Rainman Watermaker Rainman Watermaker. The Rainman watermaker has simplified (and reduced the cost) of getting fresh water from the sea. . If you’re looking for a water maker for sailboats operating offshore or on an ocean crossing, but only for emergencies, there are extremely low-output models available. 5kg portable Rainman system, the portable system is not for you. 5” (plus spares) with your new membranes. Katadyn-owned Spectra produces a wide range of watermakers, from the hand-operated Survivor 06 to a commercial AC model capable of producing 10,000 gallons per day. 1MB) Honda GXH50 Motor Manual (3. The PSU lifts the seawater, filters out the sediment and puts the system under high pressure, while the RO unit extracts fresh water from the stream of pressurised. It occurred to me that you could purchase a portable water maker, such as the Rainman – a relatively new product to the market getting some very positive reviews. The Rainman works out of the box with no installation; all parts are off-the-shelf; it is designed to be able to be repaired by the average cruiser. com), which can be easily carried aboard similar to a gas can. Understanding both options will give you better appreciation of how your watermaker operates. A 40-gph watermaker with two 40-inch membranes can make that in one and a half hours with setup and flushing time included. To operate the Rainman, connect the strainer to inlet hose and chuck hose in the briny. If using a Honda portable generator, make sure the eco-throttle is off. +1 (954) 589-2343 | Contact us. Posts: 2,114. Mini SeaWater Pro AC powered portable watermaker: The Standard AC 110 Volts model makes 14 GPH. . We will be in New England in August and can pick it up Aug 24. Graeme’s general comments about his Rainman. It is designed so that owners do not need to pickle their system, but instead pumps fresh water through the watermaker every seven days. Pure style. In this article we’re going to explain why we decided to buy watermaker in the first place; how we went about choosing a make and model; how we installed it in our cruising. It is a simple. With our high-quality desalinators and raw water strainers, you can enjoy uninterrupted access to clean, drinkable water, enhancing your maritime journeys. Measure nutrients, salts, and other dissolved solids. They can be installed in a minimum footprint configuration or kept portable for maximum flexibility. In 2021, we installed a brand new 16000 BTU MarinAir Air Conditioning. 2 lb) tub of food grade sodium metabisulfate. 00:Watermaker: DC 12 Volt, 600 Watts, 17 GPH Single Membrane. /22 kg. Ideal for running on wind/solar supplemented battery bank. Cut your high pressure hose leaving it 100mm longer than required length (this is your space for fitting error). I am debating if I should buy a second watermaker as the AC Electric Rainman for USD4,200 as a backup, or if for the same money I'd better buy a spare pump, cylinder, piston, j-fittings etc. He rates it very highly stating he gets 70 litres an hour and used about 0. Rainman portable desalination system options. Rainman uses high-quality components such as the high-pressure pump from General Pumps and membranes from Filmtec. . We’ll be in touch shortly. A small sharp hook is required, which. Power: 1300 WATTS. Business is located in Fort Lauderdale, FL. 5 x 3/4” hose barbs. The 12V DC model requires 30 amps around 410. It came delivered with a high output AC powered Rainman Naked watermaker with the optional control panel and autoflush system installed in it. 12 x Hose clamps. 9 x 9. Start enjoying fresh water within 10 minutes with the Rainman watermaker and saltwater desalination system. Low pressure gauge indicates when to change prefilter. Rainman Watermakers in a case (referred to as cased from now on) can be run either portable or installed, while our naked systems are designed for installed application only. After further research, we made the decision to remove the genset and the original 240v watermaker, replacing it with a portable Honda generator and a 12v Naked Rainman desalinator. AC (electric), DC (battery) & petrol. 239/7, Kaduwela Road. Rainman Watermakers are global manufacturers of integrated & portable saltwater desalinators. Interested if anyone has any experience with these units. Osmosea N12S 60l/hour 12V DC 14a - excellent quality with class leading power consumption SOLD. Rainman portable watermakers are available in both electric and Honda four-stroke petrol-powered models. We are a family of [. Rainman Watermakers are a compact system designed to generate a fresh potable water supply from seawater. Rating: 110-120V 60 HZ. Interested if anyone has any experience with these units. 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. The control panel retains the Rainman simplicity for which we are known, while incrementally adding a number of convenient features to allow for simpler access and remote control. Rainman Watermakers are award-winning compact portable and installation desalination systems converting seawater to drinking water, designed for the marine environment, and manufactured using the latest top shelf components. Most marine watermakers differ with regards to the method in. 6 gallons per hour, consuming 39 watts per gallon of water. Osmosea N12 compact 12V DC 8 amps 25l/hour Ex display with full 2 year warranty £3495. Leanne and Sergio Cinerari’s. Avoid installation process and have a device that could be used on land or in other situations (natural disaster). Watermaker installation tutorial for Rainman AC Naked on Warrior 38 (Northern Europe) Providing emergency water desalination after Typhoon Rai (Philippines) Lagoon 450 F achieves watermaker redundancy with Rainman (French Polynesia) Sailing Good Bad and Ugly Review Their Portable Watermaker (Puerto Rico)Rainman built our reputation on inventing and commercialising portable watermakers. It is at the Vista Mar Marina in Panama. The example used is the Rainman Mk2 AC electric PSU, but the procedure will be similar for older Mk1 systems or 12VDC systems. The systems in the traditional blue case can be either installed or run as portable. A well-laid-out system like this one will make operation and troubleshooting easier. Is there anything more nerve wrecking that seeing your boat suspended above concrete? Well, yes actually, putting a hole in it on purpose! We hard install a. Our 12 Volt DC watermaker system produces 17 gallons per hour of freshwater. Converting seawater to drinking water, providing. Easily portable the Rainman Water Maker adds a new choice in watermaking systems. 239/7, Kaduwela Road. We love being independent of the shore so it makes sense. Find a Rainman OEM partner and authorised installer for your Rainman watermaker and desalination system. Watermaker comparison: Which watermaker is best for me. Remember to subscribe: bit. All electric Rainman systems can be installed. Rainman watermakers are distributed worldwide via dealers and stockists located globally, including throughout Central. In its most simple terms, the system draws seawater up, filters out sediment and particulates, then puts the clean seawater under high pressure to pass through an RO membrane. When he bought the boat, it had a watermaker on board that wasn’t working and required. +1 (954) 589-2343 | Contact usWe offer repair & detailing services for boats of various sizes. Portable – Installation Optional Gasoline, Electric & 12VDC Reverse Osmosis Systems. However, over the years many of our customers prefer to permanently or semi-permanently install their systems into their boat. Simple, compact, silent , efficient. Rainman desalination is the most portable system around. There is also the option to partially install them. Contact this dealer. Re: Rainman Water Maker. Small yet powerful, the Katadyn Power Survivor 40E is a reliable workhorse designed for boats with a small crew population of 2 to 3. Ideal for sailing boats, power boats, superyachts. Rainman watermaker customer installation review, Sailing Satori (USA) Video of Sailing Satori’s Rainman installation – Nick, Kelly, and Arthur. When desalinating brackish water, Rainman recommendsView frequently asked questions about choosing a Rainman watermaker, the power options, installation options and maintenance requirements. A good alternative, on the other hand, is the portable Rainman Watermaker (distributed by vesselspa. The pressure supply unit (PSU) was installed in the lazerette and the reverse osmosis unit (RO) was mounted in the aft cabin. 75 litres an hour of fuel to run the unit. The optional remote control panel measures 10 x 10 inches. See the latest in portable marine desalination systems during the Rainman Watermakers 'MK2 Model" Global Launch event! We will be launching a smaller and…Portable and Installed Watermakers;. AC powered; DC powered; DC + energy recovery; Petrol / gasoline powered; Engine drive; Eventually he decided upon a Rainman AC watermaker, opting for the Naked version for installation. motor drew 4. Electric (AC), petrol (gas) and 12-volt battery. Definitely an invaluable addition for any cruiser. After opening the pressure control valve completely, switch off the unit, remove the intake hose from the source water and place it in the open container of fresh water. 1-2 years: Change non-proprietary impeller in the lift pump after a year or two, depending on use. When I noticed that […]This article was published on page 161 of Cruising Outpost – Winter 2015. Pleated Paper 5 Micron Prefilter Cartridge. The Rainman Naked systems are specifically designed for a minimum footprint installation. Switch on power, turn pressure knob so gauge reads in. +1 (954) 589-2343 | Contact usRainman Watermakers are award-winning compact portable and installation desalination systems converting seawater to drinking water, designed for the marine environment,. Read about the benefits of portable watermakers. Browse Categories. Consumables and spare parts are also available. Introduction. 239/7, Kaduwela Road. Rainman watermakers are a compact and portable solution designed to generate a fresh water supply from salt or brackish water. This table compares the specifications between the various options. HP hose vibration, excessive pressure fluctuation, or system unable to come up to 55 bar (800 psi) AC Unit - System is using more power than. Noise compares with a Honda 20i, 2kW generator, reveals db levels roughly about the same, says Rainmam The pre-filters comprise a single five-micron paper filter that you can buy from Bunnings. If the unit is to be powered by batteries alone, we recommend installing a battery bank of at least 400 amp hours. Rainman Desalination manufactures highly versatile and simple watermakers that can either be installed in your boat or run completely portable from the deck. One switch for on/off; one valve to adjust the pressure. +94 077 052 8255. This instruction manual is for our range of electric powered watermakers. It is a simple system, with no fancy bells and whistles, making repairs both less likely and easier. Just choose one of four Pressure Supply Unit options, then select one of several Reverse Osmosis units and you are ready to enjoy unlimited fresh water. The 12V DC model requires 30 amps around 410 watts. Ensure they are straight to prevent damaging new seals. The portable unit is 30% smaller than the previous one, being both shorter in length and narrower. TMM Yacht Charters standardises on Rainman watermakers for its charter fleet (British Virgin Islands, BVI) Watermaker installation tutorial for Rainman AC Naked on Warrior 38 (Northern Europe) Providing emergency water desalination after Typhoon Rai (Philippines)Rainman Watermaker Portable Version 230/110vac - High Output Membrane (up to 140 lph) ex GST Regular price $8,995. May use external battery / solar generator. Rainman Watermakers in a case (referred to as cased from now on) can be run either portable or installed, while our naked systems are designed for installed application only. He rates it very highly stating he gets 70 litres an hour and used about 0. AC Electric, petrol (gasoline), and 12VDC electric. o can act as a backup to larger systems. Our system consists of a Pressure Supply Unit (PSU) which pressurises the source water, and a Reverse Osmosis Unit, which desalinates the water with a membrane, removing impurities and creating fresh potable water. AC, DC & petrol models. The systems consisted of two cased 230VAC Rainmans, two DIY systems and the boat’s house Rainman watermaker. Rainman offers three main power sources for our watermakers. Rainman Desalination Finland. Uses the Spectra Clark pump to efficiently provide osmotic pressure. Join Date: Nov. If your enquiry is urgent, please don’t hesitate to contact Rainman HQ directly. Additional information. 5″ 5. Katadyn Power Survivor 40E Watermaker Desalinator. We manufacture the #1 selling Chafe Guards in America. Portable – Installation Optional Gasoline, Electric & 12VDC Reverse Osmosis Systems. com Workshop 49 Orchard Road, Brookvale NSW 2100 Australia 5-50+ hours of use: Change the non-proprietary prefilter after 5-50+ hours of us, depending on cleanliness of the source water. SeaWater Pro, expertise lies in designing, manufacturing, and selling portable water desalinators, also known as water makers, in various sizes ranging from 17 gallons per hour to 40 gallons per hour. Rainman Pressure Supply Electric 12V with Economy Reverse Osmosis Unit 26 - 34 litres per hour £4890. Portable and integrated water makers and saltwater desalinators. It includes. Apply a very thin coating of silicone grease to each plunger. A much lower pressure is needed, so when desalinating brackish water, only increase pressure until the rated fresh water production rate of your unit is achieved. Last year they bought a 1989 CT-56 sailing boat for cruising down the east coast of the US and into the Caribbean. power. Rainman water maker shows versatility when moved from Riviera 445 SUV to a Riviera 4800SY in Melbourne (Australia) We often talk about the versatility of Rainman desalination systems. Optional step: To reinstall the assembly into the blue case, use the cable tie straps provided. for my Spectra so that if something breaks I can easily repair it. • Freshwater flush. There is also the option to partially install them. Spectra Ventura 150 Basic version - no fancy electronics. Rainman Watermaker Systems offer three main power sources for our watermakers. Our cutting-edge technology and reliable. A demonstration of the portable Water Maker by RainmanDow Filmtec SW30 RO Membrane Manual (6. I just spent 2 weeks on a friend's Bertram in the Abacos using a RainMan portable watermaker. AC Electric, Gasoline and 12VDC Electric models. Worldwide distribution. Marine and land-based use. Reverse Osmosis Membrane; Pressure Supply Unit High Output Compact Economy; Electric 115v/230v: $5080. A Brief History Of Rainman Desalination. Although Rainman systems are portable, the airline was not impressed with trying to check four watermakers into a flight, so he had to rent a car and drive 21 hours back to Airlie Beach. Options exist for this system to be run as portable without any plumbing or plumbed in with a minimum footprint installation. So your amortized loss to depreciation over 3 years is $2400. Consider using propylene glycol for pickling the Rainman. 431 likes · 2 were here. To prevent air working into the system, customers have used either weights or a down pole to hold the intake below the surface. Rainman offers three main power sources for our watermakers. How Do They Get Fresh Water on a Yacht? There are a few. If you don’t have a dealer in your area, we are happy to provide service. While you can partially or fully install the traditional blue cased systems, our Rainman Naked systems are specifically designed for a minimum footprint installation. FWIW, installing a watermaker is not necessarily a hard job. Rainman Watermaker . Portable watermaker systems, like the Rainman watermakers, are entirely self-contained. Rainman watermakers are a compact system designed to make drinking water from seawater. Installation will vary from vessel to vessel. Easy. AC electric, petrol (gasoline), and 12VDC electric. Simply put the intake and brine discharge hoses overboard, the freshwater hose in your water tank and you’ll be making water in no time. Ironically, now I have to figure out where. A non complex system that is easy to operate and within minutes have fresh drinking water on stream. This system is easy to install and includes everything you need except for a strainer. Portable and Installed Watermakers; FIND A DEALER >. Replacement impeller for your Rainman watermaker lift pump. Although the Torrent incorporates the single motor, two pump design that Rainman is known for, there are a number of points of difference from the more common Rainman AC High Output watermaker. For businesses interested in becoming a dealer, please contact us for discussion. The Rainman was fully portable, easy to use, quick to set up reliable. This manual covers both portable and installed use of our systems. 9″) Enclosure dimensions: 280 x 280 x 151mm (11 x 11 x 6″) Backwards compatible with existing Rainman systems (some parts update required) In our tests, its 1/18-hp. While you can partially or fully install the traditional blue cased systems, our Rainman Naked systems are specifically designed for a minimum footprint installation. Rainman was originator in 2014 of the first commercially successful gasoline-powered portable water-maker. A non complex system that is easy to operate and within minutes have fresh drinking water on stream. Low power consumption energy recovery ststem 12 or 24V DC operation, 25 - 30 litres per hour production, fully automatic pressure regulation, compact and easy to install/maintain, latest ceramic valve. Contact this dealer. The variations. Go to base of page to select required model/s, if unsure or further advice required please contact us. With its lightweight and portable design, this system offers convenience and ease of use. 5MB) HM Digital COM80 Hydrotester (1. Tighten them careful using pliers to achieve full tension. Rainman has delivered a simple and robust design that will make a watermaker more accessible to those boat owners that to date have shied away from them. Quick video of our watermaker automatic flush system by Rainman. Portable watermakers, such as the Rainman, are good options for race crews or cruisers. This manual guides the installer through the control panel installation and provides details on how it affects use of the watermaker. This is a guide only. Easily carried in two pieces. Join Date: Jan 2008. Rainman watermakers are a compact and portable solution designed to generate a fresh water supply from salt or brackish water.