{"title":"Freshwater Tanks \u0026 Bags","description":"\u003cp\u003eMarine freshwater tanks and water storage bags for onboard water supply. Find rigid freshwater tanks, flexible water bladders, water bags, tank fittings, fill caps, vent fittings, and water storage accessories to ensure adequate freshwater capacity for extended cruising.\u003c\/p\u003e","products":[{"product_id":"lns-236","title":"Raritan — Water Heater 20 Gal with Heat Exchanger 120V — 78-172011","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Raritan 1700 Series 20-Gallon Marine Water Heater is a heavy-duty onboard hot water tank for marine galleys, showers, and domestic water systems. Model 172011 \/ 78-172011 combines a 120V AC electric heating element with an internal engine heat exchanger, allowing the unit to heat water from shore power, generator power, or engine coolant circulation while underway. Its 20-gallon capacity makes it suitable for larger cruising boats, trawlers, and liveaboard-style marine installations where dependable hot water storage is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 78-172011\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRaritan model number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 172011\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Raritan 1700 Series\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTank capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20 gallons \/ 75.7 litres\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eElectrical system:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 120V AC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeating element:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1250 watts \/ approximately 10 amps\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeat exchanger:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Internal wrap-around engine heat exchanger coil\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeat exchanger coil length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Over 7 feet\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 24.25\" high x 18.75\" outer diameter\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMounting note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\" mounting flange adds approximately 2\" to total base diameter\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTank construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Porcelain glass-lined steel tank\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInsulation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dense CFC-free foam insulation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExterior jacket:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e White high-impact non-corrosive polymer casing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eThermostat range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Adjustable from 110°F to 160°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFactory thermostat setting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 120°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHigh-limit safety cutout:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 190°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFreshwater fittings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3\/4\" male NPT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeat exchanger fittings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3\/4\" female NPT\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWorking pressure rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 150 PSI\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRelief valve:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 75 PSI temperature and pressure relief valve\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eProduct Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis water heater is intended for marine domestic hot water systems requiring a 20-gallon tank, 120V AC electrical heating, and engine-coolant heat exchanger capability. It is suited for onboard plumbing systems supplying hot water to sinks, galleys, washdowns, and showers where the installation space, voltage, plumbing fittings, and engine coolant loop are compatible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated heat exchanger allows engine coolant to warm the water tank while the engine is running, reducing the need to rely only on the electric element when underway.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eFitment Notice\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConfirm available installation space, voltage, breaker capacity, plumbing layout, engine heat exchanger routing, and service access before ordering. This model uses a front-service connection layout, with potable water and heat exchanger connections placed on the same side for easier retrofit work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMeasure both the tank body and the mounting footprint. The main tank diameter is approximately 18.75\", but the mounting flange increases the base diameter by approximately 2\".\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eWhen This Product Needs Replacement\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplace the water heater if the tank leaks, the jacket or fittings show significant corrosion damage, the electric element no longer heats properly, the thermostat or high-limit safety controls fail, or the heat exchanger coil no longer transfers heat effectively from the engine coolant circuit. Replacement may also be needed when upgrading capacity, converting voltage, refitting the domestic plumbing system, or replacing an aging tank with poor heat retention.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCommon service signs include rusty discharge, water around the tank base, frequent relief-valve discharge, slow recovery time, no hot water on electric heat, no hot water while underway, or visible damage to plumbing and heat exchanger fittings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstall in a dry, accessible location with proper mounting support for the filled tank weight. Confirm that the 120V AC circuit is correctly protected and installed according to marine electrical standards. Freshwater plumbing should be pressure-rated and compatible with hot water service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen connecting the engine heat exchanger, verify coolant hose routing, flow direction, hose size, clamps, isolation valves, and engine manufacturer requirements. Do not connect the heat exchanger in a way that restricts engine cooling flow. The temperature and pressure relief valve must remain installed, unobstructed, and routed safely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFollow the Raritan installation manual for wiring, plumbing, thermostat adjustment, relief valve installation, winterization, and commissioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eAlternate\/Superseded Part Numbers\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRaritan model number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 172011\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDistributor product code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 78-172011\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCommon description:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Raritan 1700 Series 20-Gallon 120V Marine Water Heater with Heat Exchanger\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan\u003eParts Desk Insight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe key buying checks for this water heater are capacity, voltage, heat exchanger requirement, and installation footprint. A 20-gallon marine water heater is much heavier when full and needs proper support, safe wiring, and enough clearance for the front-side plumbing connections. Confirm the boat’s available space and electrical system before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/span\u003e\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":43563831492644,"sku":"78-172011","price":3369.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/73e7fdd3-bd38-4f41-9c21-ff118e573b07_6d0b86e2-7772-4609-ad98-134c8c1a8f06.png?v=1782511670"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/collections\/Freshwater_Tanks_and_Bags.png?v=1769493319","url":"https:\/\/marisolmarine.com\/collections\/freshwater-tanks-bags.oembed","provider":"Marisol Marine Company","version":"1.0","type":"link"}