{"product_id":"johnson-pump-aquah-stainless-steel-marine-water-heater-1200-w-120v-npt-189-564745502","title":"Johnson Pump - Aquah Marine Water Heater 1200W 120V NPT SS - 564745502","description":"\u003ch2\u003eJohnson Pump Aquah Marine Water Heater — 1200W, 120V, NPT, Stainless Steel\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eJohnson Pump Aquah\u003c\/strong\u003e is a dual-heating marine water heater built for onboard hot water systems. It heats via a 1200W 120V AC electric element as the primary source, and also accepts indirect heating from a second heat source — such as the main engine or a generator — allowing the vessel’s engine heat to pre-heat or maintain water temperature while underway, reducing electrical load at anchor.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aquah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric heating element:\u003c\/strong\u003e 1200W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e NPT (National Pipe Thread)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank material:\u003c\/strong\u003e AISI 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating modes:\u003c\/strong\u003e Electric (primary) + indirect (engine\/generator)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual heating as standard\u003c\/strong\u003e — electric element plus indirect heating from engine or generator; no additional kit required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAISI 304 stainless steel tank\u003c\/strong\u003e — corrosion-resistant construction for long-term marine use in freshwater and saltwater environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable safety thermostat\u003c\/strong\u003e — allows temperature adjustment during electric heating mode with built-in overheat protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact plastic end cover\u003c\/strong\u003e — sturdy cover includes integrated mounting brackets for straightforward installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPT connections\u003c\/strong\u003e — compatible with standard NPT plumbing fittings used in North American marine installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual heating system:\u003c\/strong\u003e The Aquah uses electric heating when on shore power or running a generator, and can use engine coolant loop heat when underway. Confirm your vessel has a suitable engine heat exchanger loop before relying on indirect heating — not all engines are plumbed for this without additional fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120V AC only:\u003c\/strong\u003e This is a 120V AC unit. It requires a properly wired 120V AC shore power or generator circuit. Do not connect to a 12V or 24V DC system. Confirm your vessel’s AC electrical system is correctly sized and protected before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPT connections:\u003c\/strong\u003e Confirm your existing hot water plumbing uses NPT fittings. BSP (British Standard Pipe) threads are not compatible with NPT without adapters — common on European-built vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank sizing:\u003c\/strong\u003e Confirm the tank capacity suits your vessel’s hot water demand. For larger crews or extended passages, a higher-capacity unit may be more appropriate. Call the parts desk for available Aquah capacities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation location:\u003c\/strong\u003e The Aquah is designed for below-deck installation in a dry, ventilated space. Confirm mounting clearances, plumbing run lengths, and electrical cable routing before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51025043488804,"sku":"189-564745502","price":1415.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/d31b2fc1-c931-4434-8888-74fb9b86798a.png?v=1783204111","url":"https:\/\/marisolmarine.com\/products\/johnson-pump-aquah-stainless-steel-marine-water-heater-1200-w-120v-npt-189-564745502","provider":"Marisol Marine Company","version":"1.0","type":"link"}