Stainless Steel Tank 316L stainless steel, providing superior corrosion resistance to fresh/salt water conditions. Solar heating saves you money by cutting your electricity or gas use, diminshes CO2 gasses that pollute our air, and more. 23 0 obj <> endobj xref 23 28 0000000016 00000 n This unit is designed to be installed lying on its side. We carry an unbeatable range of essential chandlery and boat supplies to give you a one-stop shop to stay stocked and on the water. I had a guy come to take a look. The SuperStor Ultra indirect water heater is a culmination of over 25 years of indirect system manufacturing experience. Just recently, it developed a drip from the temperature/pressure relief valve. Learn more by viewing our water heating selection guide Welded-in-place hose barb stubs on the heat exchanger simplified the plumbing hookups. Superstor - Superstor's are made by Heat Transfer Products a REAL water heater company who also sells water heaters to plumbing and heating wholesalers and to the trade under the Superstor brand name.

Nearly identical models from both of these manufacturers are still available today, and they retain our stamp of approval. 0000044150 00000 n In Stock at Store Today. The colder the air and water temperature, the more important this insulation becomes.

Water Heater Storage Tanks (6) Brand. Marine Water heaters are not like the ones in your home.

The use of a bronze metric-to-NPT thread adaptor solved the problem.Plumbing connections and the pressure-relief valve/check valve were very similar to those on the Quick unit, and overall, construction quality was very good.All four of these water heaters use a 110- to 120-volt AC heating element when shore power or a good-sized generator happen to be available. We also found the stainless-steel pressure-relief valve attached to the threaded stainless cold-water inlet needed some Teflon tape or pipe joint compound in order to stop a minor drip.

0000003791 00000 n The 316L stainless steel tank resists corrosion and eliminates the need for anode rods, allowing for the system to be virtually maintenance free. Its 316L stainless steel heat exchanger boasts excellent heat transferability to satisfy your heating needs while saving energy and money. 0000048116 00000 n The company also sells a 6- gallon unit with the same 1,500-watt heating element.Italy-based Quick Nautical Equipment sent testers one of its BX Nautique stainless-steel water heaters. The directions recommend a double-pole switch on the heater element. 0000014705 00000 n TO CONNECT HEATER Use unions on the hot and cold water connections and the relief valve discharge line, so that the heater may be easily disconnected for servicing when necessary. We saw no signs of corrosion during our short-term test, but we have some concerns about galvanic corrosion as the copper-based AC heating element, aluminum tank, and stainless-steel sheet metal interact over the long haul.The manufacturer specifies that units equipped with a heat exchanger should not be used in a raw (salt) water cooling context.

As with the Sigmar unit, theres a need for metric thread adapters.Raritans units are made in the U.S. (the only in our test), so finding hose barbs or other plumbing fixtures to fit the National Pipe Thread (NPT) three-quarter-inch pipe thread ports won't be a problem. 0000003275 00000 n Water heaters are one of those silent heroes that rank high on the list of creature comforts on a cruising boat. Plumbing . This SA 180 Grade 70 carbon steel meets American Society of Mechanical Engineers standards for forged carbon-steel pressure vessels, but it is inherently more prone to corrosion than the 316L stainless steel used in other heaters we tested. There was a rugged feel to the three-quarter-inch NPT recessed plumbing seats, but we found that the half-inch plastic inserts in the hot and cold water inlet and outlet restricted flow.Sigmar Marines compact stainless-steel boiler was clad in a heavy-duty plastic skin. Many diesel cooling systems operate under slight pressure, and that raises the boiling point of the coolant, allowing the liquid to approach 200 degrees without fear of reaching the boiling point. We noted that some portions of the tank are exposed to the air, and the outer insulation is not airtight. Fiberglass and plastic liners did not cover all of the metal surfaces, and the reliance on a large sacrificial anode that can add to annual maintenance seemed a less than optimum marine material approach.The aluminum boiler of the Kuuma unit we tested proved to be operationally sound, but many boatbuilders shy away from aluminum water tanks because the oxidation powder can foul drinking water, and in some cases, even cause poultice corrosion around welds. According to the companys engineers, glass enameled tanks with anode protection will outlast other tanks in typical boat installation with galvanic and stray current problems.In our view, an owner should first strive to fix stray current problems on the boat, as these can lead to serious corrosion problems in other systems. Learn more by Not sure which type of water heater is right for you? 0000001211 00000 n Its heat-up speed came in just behind the 11-gallon Kuumas 1,500-watt element. Our comfort solutions provide ultimate control and satisfaction for both homeowners and business owners alike.Check back often as more comfort solutions are coming soon!Choosing solar heating pays!