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 Price incl. 19% VAT The Double-Wall Calorifiers, rated at 1500 W and with a capacity of 20 liters, utilize an advanced double-wall design for more effective heating compared to conventional systems, ensuring faster heating and reduced heat loss; constructed from duplex stainless steel and stainless steel AISI 304, it includes various connection options for engine coolant and has a relief valve rated for fresh water, marked with the product number WHD020 from Vetus.
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€ 978,87
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1-2 weeks delivery time Price incl. 19% VAT The Double-Wall Calorifiers, rated at 1500 W and with a capacity of 31 liters, feature an efficient double-wall design for faster heating and are constructed with an inner tank of Duplex stainless steel and an outer tank of stainless steel AISI 304; they include various connections for engine coolant and freshwater with a relief valve setting of 6 bar, and are identified by the product number WHD031 from Vetus.
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€ 1.054,71
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1-2 weeks delivery time Price incl. 19% VAT The Double-Wall Calorifiers, with a power rating of 1500 W and capacity of 45 liters, utilize an effective double-wall heating principle and are built with a Duplex stainless steel inner tank, an AISI 304 stainless steel outer tank, and insulation made of polyester foam; they come with all necessary connections and a relief valve set at 6 bar, marked with the product number WHD045 from Vetus.
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€ 1.146,55
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Double-Wall Calorifiers with 1500 W power and 55 liters capacity offer advanced double-wall technology for enhanced heating, featuring an inner tank made from Duplex stainless steel and an outer tank constructed from stainless steel AISI 304; they include various connections and a relief valve set at 6 bar, recognized by the product number WHD055 from Vetus.
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€ 1.315,42
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1-2 weeks delivery time Price incl. 19% VAT The Double-Wall Calorifiers, equipped with a 1500 W power rating and a 75-liter capacity, utilize a highly effective double-wall design for rapid water heating, combining a Duplex stainless steel inner tank with an AISI 304 stainless steel outer tank and effective insulation; they include necessary connections and a 6 bar relief valve, identified by the product number WHD075 from Vetus.
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€ 1.492,50
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Electric Heater operates at 230 V with a power of 1500 W, providing a reliable heating solution equipped with a thermostat for precise temperature control, and is marked with the product number WHEL1500.
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€ 134,39
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1-2 weeks delivery time Price incl. 19% VAT The 230 V - 1000 W Electric Heater, known as WHEL220, features an adjustable thermostat for optimal heating performance, allowing a temperature range of 40-80°C and designed with a male thread size of ISO 228/1 G1¼, along with a screw-in length of 300 mm.
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€ 161,37
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1-2 weeks delivery time Price incl. 19% VAT The 230 V - 500 W Electric Heater combines efficiency with adjustable heating capabilities, featuring an adjustable thermostat range of 40-80°C, and is designed with a male thread size of ISO 228/1 G1¼ and a screw-in length of 300 mm, identified by the product number WHEL22500 from Vetus.
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€ 161,37
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1-2 weeks delivery time Price incl. 19% VAT The Thermostatic Mixer for Calorifiers optimizes hot water temperature and enhances safety by preventing excessively hot water, combining safety with energy-saving features; it offers an adjustable temperature range of 30-70°C and is designated with the product number WHMIXER from Vetus.
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€ 154,06
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Twin-Coil Calorifier with a capacity of 25 liters efficiently utilizes excess engine heat to deliver hot fresh water and is equipped with an electric heating element for use when the engine is not running; it features a duplex stainless steel inner tank, AISI 316 stainless steel outer tank, polyurethane foam insulation, and includes various connections along with a complete installation set, identified by the product number WHT025.
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€ 840,80
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Twin-Coil Calorifier with a 50-liter capacity leverages surplus heat from the engine to provide effective hot fresh water and includes an electric heating element for off-engine use; it has robust duplex stainless steel and AISI 316 stainless steel construction, along with polyurethane insulation and comes with all necessary connections for installation, marked by the product number WHT050.
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€ 978,87
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Twin-Coil Calorifier, with a capacity of 75 liters, is designed to utilize excess engine heat for hot water provision and features an electric heating element for when the engine is inactive; it is built with duplex stainless steel and AISI 316 stainless steel, and comes with robust mounting brackets and full connection sets, recognized by the product number WHT075.
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€ 1.146,55
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1-2 weeks delivery time Price incl. 19% VAT The VETUS Twin Coil Calorifier with a 100-liter capacity provides hot fresh water using excess engine heat and includes an electric heating element for inactive engine periods; it has a duplex stainless steel inner tank, AISI 316 stainless steel outer tank, and features a spiral tube for effective heating while coming with a complete connection set and a pressure relief valve, identified by the product number WHT100.
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€ 1.315,42
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Basic 50 is a durable and efficient hot water heater with a 50-liter capacity, constructed from high-quality AISI 316 stainless steel. It features inert gas welding to prevent corrosion, a 750 W nickel-plated copper heating element, and polyurethane foam insulation to minimize heat loss. This versatile unit can be mounted both horizontally and vertically, and it includes essential safety features like a 4-bar safety valve, easy winter draining capabilities, and a double safety thermostat set above 70°C to prevent bacterium growth. The product comes with a 2-year warranty and a 5-year warranty for the tank.
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€ 1.089,09
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Slim 15 is a durable and efficient 15-liter heating solution, constructed from high-quality stainless steel AISI 316 to ensure reliability and longevity. Designed for easy inspection and maintenance, it features a 750 W inner resistance in nickel-plated copper, offers mounting flexibility, and includes advanced safety features like a double safety thermostat and a special safety valve. Insulated with CFC-free polyurethane foam to minimize heat loss, it comes with a 2-year warranty and a 5-year warranty for the tank.
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€ 702,24
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Basic Square 16 is a durable and efficient water heating unit made from high-quality AISI 316 stainless steel, featuring a 16-liter capacity and dimensions of 560x180x400 mm. It includes a 2-year warranty (5 years for the tank), a nickel-plated copper resistance for longevity, a polyurethane foam insulation to minimize heat loss, and advanced safety features like a 4-bar safety valve and double safety thermostat preset to maintain over 70°C. Designed for flexible installation and easy maintenance, this unit is ideal for various applications.
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€ 820,51
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Basic 24 is a durable and efficient water heater with a 24-liter capacity, made of high-quality AISI 316 stainless steel. It features a nickel-plated copper resistance for easy maintenance, can be mounted both horizontally and vertically, and includes a 4 bar safety valve. Insulated with CFC-free polyurethane foam, it minimizes heat loss and is equipped with a double safety thermostat to maintain water temperatures above 70°C, effectively preventing bacterial growth. The product comes with a 2-year total warranty and a 5-year warranty on the tank.
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€ 741,66
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Basic 40 is a reliable and efficient water heating solution with a 40-liter capacity, constructed from durable AISI 316 stainless steel to prevent corrosion. It features a 230 V, 750 W inner resistance element for maintenance ease, and can be installed both horizontally and vertically. The boiler includes a two-year warranty, a five-year tank warranty, polyurethane foam insulation to reduce heat loss, a safety valve with a check valve, simple winter draining, and a double safety thermostat to maintain temperatures above 70°C to inhibit bacteria growth.
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€ 827,90
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1-2 weeks delivery time Price incl. 19% VAT The Boiler Inox Isotemp Basic 75 is a durable and efficient water heater constructed from AISI 316 stainless steel to prevent corrosion. It features a non-magnetic casing, a 230 V and 750 W nickel-plated copper resistance for easy maintenance, and flexible installation options. With a 75-liter capacity, it includes enhanced safety features such as a special safety valve, a double safety thermostat pre-set to inhibit bacterial growth, and insulation using CFC-free polyurethane foam to reduce heat loss. Additionally, it comes with a 2-year total warranty and a 5-year warranty for the tank, making it a reliable choice for consumers.
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€ 1.357,66
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1-2 weeks delivery time Price incl. 19% VAT The Mixing Valve for Boilers manufactured after 2007 is designed to regulate outlet water temperature for optimal performance and efficiency in heating systems. Its product number is 2400280 FNI, and it features 1/2 inch fittings, making it compatible with Isotemp Boiler.
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€ 102,17
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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.