A marine water heater is a specialized unit designed to provide hot water on boats, utilizing a combination of electric power and engine heat exchangers to efficiently heat the water. Available in various sizes, such as 6, 10, or 20 gallons, these heaters are often equipped with thermostats, pressure relief valves, and safety features like anodes to prevent corrosion.
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1-2 weeks delivery time The Raritan 1700 Series Boiler, with a capacity of 75.7 L, features a horizontal electric design with a heat exchanger and a glass-coated steel tank for high efficiency. Its polymer casing resists corrosion and humidity, while polyurethane foam insulation minimizes heat loss. The boiler includes a 5-year warranty, a magnesium anode for corrosion protection, and a pressure relief valve rated at 75 PSI. The adjustable thermostat ranges from 45° to 80°C, and it has convenient hose connections for easy installation.
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$ 3,336.61
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1-2 weeks delivery time The Magnesium Anode R.1790010 FNI is designed for Raritan boilers, providing essential protection against corrosion to enhance the boiler's longevity and performance.
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$ 143.04
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1-2 weeks delivery time The Water Heater Thermostat Assembly R.WH16 FNI is designed for Raritan Boilers, providing efficient temperature control and reliable performance. Its durable construction ensures long-lasting use, making installation and maintenance straightforward.
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$ 208.12
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1-2 weeks delivery time The R.WH1A-S FNI Heating Element is designed for Raritan Boilers, operating at 110 VAC with a threaded design for easy installation. This high-quality heating element ensures efficient and reliable heating, making it essential for maintaining optimal boiler performance and longevity.
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$ 100.21
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1-2 weeks delivery time The R.WH1B FNI heating element is specifically designed for Raritan boilers, featuring a 4-hole plate configuration that ensures efficient heat distribution and reliable performance at 220 VAC.
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$ 100.99
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1-2 weeks delivery time The R.WH1B-S FNI heating element is designed for Raritan Boilers, operating at 220 VAC with a threaded connection. It ensures optimal heating and reliable performance, enhancing the efficiency and durability of your boiler.
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$ 100.96
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1-2 weeks delivery time The R.WH3/01 FNI 75 PSI Decompression Valve is an essential component for Raritan boilers, designed to ensure safe pressure regulation. It enhances operational efficiency and extends the lifespan of the boiler system while being easy to install and durable enough to withstand harsh conditions.
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$ 122.12
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1-2 weeks delivery time Osculati 50.290.51 ATI Rectangular Boat Boiler is a 20 L bivalent marine water heater operating via integrated heat exchanger or 1250 W electric resistance at 230 V. The unit features a porcelain glass-lined tank, aluminium outer casing, enameled heat exchanger, and expanded polyurethane insulation for heat retention up to 123 hours. Designed with rectangular shape for compact installations, it supports horizontal and vertical mounting and includes a 4 bar safety valve with 8 bar test pressure.
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$ 1,190.98
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1-2 weeks delivery time Osculati 50.289.49 ATI Boat Boiler A is a 22 L bivalent marine water heater operating via heat exchanger or 1250 W electric resistance at 230 V. The unit features expanded polyurethane insulation for heat retention up to 123 hours, porcelain glass tank with aluminium casing, enameled heat exchanger, and safety valve calibrated at 4 bar (test pressure 8 bar). Designed for horizontal or vertical installation with cylindrical form factor and dimensions 485 mm total length.
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$ 878.09
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1-2 weeks delivery time Osculati 50.389.50 ATI Boat Boiler B is a 22 L bivalent marine water heater operating via integrated heat exchanger or 1250 W electric resistance at 230 V. The unit features an AISI 316 stainless steel boiler, stainless steel heat exchanger, mirror-polished aluminium casing, polyurethane foam insulation for heat retention up to 123 hours, and safety valve calibrated at 4 bar with 8 bar test pressure. Suitable for horizontal, vertical, and three-axis installation.
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$ 1,059.78
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1-2 weeks delivery time Osculati 50.389.55 ATI Boat Boiler B is a 30 L bivalent marine water heater operating through integrated heat exchanger or 1250 W electric resistance at 230 V. The unit features an AISI 316 stainless steel boiler, stainless steel heat exchanger, mirror-polished aluminium casing, expanded polyurethane insulation for heat retention up to 123 hours, and safety valve calibrated at 4 bar with 8 bar test pressure. Suitable for horizontal, vertical, and three-axis installation.
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$ 1,150.60
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1-2 weeks delivery time Osculati 50.289.52 ATI Boat Boiler A is a 45 L bivalent marine water heater operating via integrated heat exchanger or 1250 W electric resistance at 230 V. The unit features expanded polyurethane insulation for heat retention up to 123 hours, porcelain glass-lined tank, aluminium external casing, enameled heat exchanger, and safety valve calibrated at 4 bar with 8 bar test pressure. Suitable for horizontal or vertical installation in marine hot water systems.
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$ 1,069.86
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1-2 weeks delivery time Osculati 50.389.52 ATI Boat Boiler B is a 45 L bivalent marine water heater operating via integrated heat exchanger or 1250 W electric resistance at 230 V. The unit features an AISI 316 stainless steel boiler, stainless steel heat exchanger, mirror-polished aluminium casing, expanded polyurethane insulation for heat retention up to 123 hours, and safety valve calibrated at 4 bar with 8 bar test pressure. Designed for horizontal, vertical, and three-axis installation.
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$ 1,332.29
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1-2 weeks delivery time Osculati 50.189.58 ATI A.B.MIX1 thermostatic mixer is a universal valve designed to regulate hot water output temperature from water heaters, preventing excessive temperatures and ensuring controlled water delivery across compatible systems.
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$ 202.82
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1-2 weeks delivery time The Relief Valve Boiler 4 Bar is a crucial safety component for Kabola heating systems. It helps to prevent excessive pressure build-up in the boiler, ensuring safe and efficient operation by relieving pressure when necessary.
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$ 34.63
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1-2 weeks delivery time The Relief Valve Boiler 6 Bar is designed for Isotemp boilers and helps maintain optimal pressure levels. It provides vital protection against overpressure situations, ensuring the boiler operates reliably even in demanding conditions.
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$ 34.66
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1-2 weeks delivery time The Heating Element w/ Gasket is designed for Raritan water heaters made before 1992, compatible with bolt-on heating elements and some models from the transitional year 1991. It is suitable for 1700 Series water heaters, operates at 120V with a power of 1250 Watts, and includes a rubber mounting gasket.
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$ 202.57
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1-2 weeks delivery time The Heating Element with Gasket is a reliable component designed for optimal performance, featuring a voltage of 220Vac and a power output of 1250W. Manufactured by Raritan, it is identified by the product number WH1B.
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$ 108.50
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1-2 weeks delivery time The WH1B-S heating element is designed for Raritan water heaters, operating at 220V. It offers efficient heating, easy installation, and long-lasting durability, making it an ideal choice for reliable performance.
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$ 104.24
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1-2 weeks delivery time The WH1A-S is a 1250W screw-in heating element designed for Raritan water heaters, efficiently heating water at 120V. It must be installed with the tank filled before applying power to avoid burnout, though Raritan also offers a more durable option for use without water.
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$ 97.82
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How does a marine water heater differ from a standard household water heater in terms of design and function?
Marine water heaters are specifically designed for use on boats and yachts, differing from household water heaters in several ways. They often incorporate stainless steel inner tanks to resist corrosion from saltwater, and they utilize both engine heat through a heat exchanger and electric power (120V or 240V) for heating. These compact units, like the 6-gallon and 10-gallon models, are built to handle the harsh marine environment and limited space onboard.
How does the heat exchanger in a marine water heater work to heat water efficiently?
A marine water heater with a heat exchanger efficiently heats water by utilizing engine coolant or another heat source that passes through a coil inside the tank. This process transfers the heat from the engine to the water, providing consistent hot water on board without relying solely on electric heating elements. The front heat exchanger design found in many models allows for faster and more efficient water heating.
How does the pressure relief valve ensure safety in a marine hot water heater system?
The pressure relief valve in a marine hot water heater ensures safety by releasing excess pressure if the water inside the tank overheats or exceeds the set pressure limits. This prevents potential damage to the heater and plumbing system, avoiding leaks or ruptures. In marine environments, where space is limited, this safety feature is crucial for maintaining safe operation of the water heater under variable conditions.