Water Heaters

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    Isotemp Spa 40 Waterheater

    The Isotemp SPA Stainless Steel Marine Water Heaters are available in 5 sizes ranging from 15 to 40 liters capacity (15, 20, 25, 30 & 40 liters).

    All Isotemp tanks come standard with the innovative Isotemp Temperature Control Safety Mixing Valve which protects users from scalding hot water.  Water heated with engine heat exchangers can be heated to 190 degrees or more which can scald those unfamiliar with boat water heaters.  Water will also be heated to 160+ degrees with just the electric heating element alone. By adjusting the valve, the Isotemp thermostat-controlled mixing valve mixes the boat’s water with the hot water to deliver the temperature you want at the faucet. This mixing action also speeds recovery time and extends the volume of hot water you get from a smaller tank. 6P4023SPA0003

    Retail Price: $960

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  • Isotemp Spa 30 Water Heater

    The Isotemp SPA Stainless Steel Marine Water Heaters are available in 5 sizes ranging from 15 to 40 liters capacity (15, 20, 25, 30 & 40 liters).

    All Isotemp tanks come standard with the innovative Isotemp Temperature Control Safety Mixing Valve which protects users from scalding hot water.  Water heated with engine heat exchangers can be heated to 190 degrees or more which can scald those unfamiliar with boat water heaters.  Water will also be heated to 160+ degrees with just the electric heating element alone. By adjusting the valve, the Isotemp thermostat-controlled mixing valve mixes the boat’s water with the hot water to deliver the temperature you want at the faucet. This mixing action also speeds recovery time and extends the volume of hot water you get from a smaller tank.

    115v:    Retail Price: $894

    230v:  Retail Price: $942

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  • Isotemp Spa 25 Water Heater

    The Isotemp SPA Stainless Steel Marine Water Heaters are available in 5 sizes ranging from 15 to 40 liters capacity (15, 20, 25, 30 & 40 liters).

    All Isotemp tanks come standard with the innovative Isotemp Temperature Control Safety Mixing Valve which protects users from scalding hot water.  Water heated with engine heat exchangers can be heated to 190 degrees or more which can scald those unfamiliar with boat water heaters.  Water will also be heated to 160+ degrees with just the electric heating element alone. By adjusting the valve, the Isotemp thermostat-controlled mixing valve mixes the boat’s water with the hot water to deliver the temperature you want at the faucet. This mixing action also speeds recovery time and extends the volume of hot water you get from a smaller tank.

    115v:    Retail Price: $892

    230v: Retail Price: $936

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  • Isotemp Spa 20 Water Heater

    The Isotemp SPA Stainless Steel Marine Water Heaters are available in 5 sizes ranging from 15 to 40 liters capacity (15, 20, 25, 30 & 40 liters).

    All Isotemp tanks come standard with the innovative Isotemp Temperature Control Safety Mixing Valve which protects users from scalding hot water.  Water heated with engine heat exchangers can be heated to 190 degrees or more which can scald those unfamiliar with boat water heaters.  Water will also be heated to 160+ degrees with just the electric heating element alone. By adjusting the valve, the Isotemp thermostat-controlled mixing valve mixes the boat’s water with the hot water to deliver the temperature you want at the faucet. This mixing action also speeds recovery time and extends the volume of hot water you get from a smaller tank.

    115v:    Retail Price: $858

    230v:  Retail Price: $899

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  • Isotemp Spa 15 Water Heater

    The Isotemp SPA Stainless Steel Marine Water Heaters are available in 5 sizes ranging from 15 to 40 liters capacity (15, 20, 25, 30 & 40 liters).

    All Isotemp tanks come standard with the innovative Isotemp Temperature Control Safety Mixing Valve which protects users from scalding hot water.  Water heated with engine heat exchangers can be heated to 190 degrees or more which can scald those unfamiliar with boat water heaters.  Water will also be heated to 160+ degrees with just the electric heating element alone. By adjusting the valve, the Isotemp thermostat-controlled mixing valve mixes the boat’s water with the hot water to deliver the temperature you want at the faucet. This mixing action also speeds recovery time and extends the volume of hot water you get from a smaller tank.

    115v:    Retail Price: $816

    230v:  Retail Price: $854

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  • Isotemp Water Heater Basic 75 TCT (Dual Coil)

    The Basic 40 and Basic 75 are the only two models that have the double engine heat exchanger option.  The double coil is sometimes used by boaters who have hydronic heating to maximize use of the heating.  They are often used in conjunction with two engines such as a main engine and a generator to take advantage of the surplus heat provided by two separate sources.

    Retail Price: $1,030

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  • Isotemp Water Heater Basic 40 TCT (Dual Coil)

    The Basic 40 and Basic 75 are the only two models that have the double engine heat exchanger option.  The double coil is sometimes used by boaters who have hydronic heating to maximize use of the heating.  They are often used in conjunction with two engines such as a main engine and a generator to take advantage of the surplus heat provided by two separate sources.

    Retail Price: $1,430

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  • Isotherm Square 16

    The Isotemp Slim Square Stainless Steel Marine Water Heater comes with brushed stainless steel cover as well as innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater.

    Retail Price: $1,374

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  • Isotemp Water Heater Basic 75

    The Isotemp BASIC line of Stainless Steel Marine Water Heaters comes with brushed stainless steel cover as well as innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater. The Basic line is characterized by a larger diameter (16 inches) and shorter length. Isotemp Stainless Steel Water Heaters achieve the highest capacity by optimizing the position of the engine water heat exchanger as well as the electrical immersion heater. These are positioned in the lowest part of the tank where the water is coldest in order to ensure an equal heating of all the water in the tank. The water inlets and outlets are specially designed to minimize the mixture of cold and hot water.

    Retail Price: $1,540

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  • Isotemp Water Heater Basic 50

    The Isotemp BASIC line of Stainless Steel Marine Water Heaters comes with brushed stainless steel cover as well as innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater. The Basic line is characterized by a larger diameter (16 inches) and shorter length. Isotemp Stainless Steel Water Heaters achieve the highest capacity by optimizing the position of the engine water heat exchanger as well as the electrical immersion heater. These are positioned in the lowest part of the tank where the water is coldest in order to ensure an equal heating of all the water in the tank. The water inlets and outlets are specially designed to minimize the mixture of cold and hot water.

    Retail Price: $1,390

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  • Isotemp Water Heater Basic 40

    The Isotemp BASIC line of Stainless Steel Marine Water Heaters comes with brushed stainless steel cover as well as innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater. The Basic line is characterized by a larger diameter (16 inches) and shorter length. Isotemp Stainless Steel Water Heaters achieve the highest capacity by optimizing the position of the engine water heat exchanger as well as the electrical immersion heater. These are positioned in the lowest part of the tank where the water is coldest in order to ensure an equal heating of all the water in the tank. The water inlets and outlets are specially designed to minimize the mixture of cold and hot water.

    Retail Price: $1,310

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  • Isotemp Water Heater Basic 30

    The Isotemp BASIC line of Stainless Steel Marine Water Heaters comes with brushed stainless steel cover as well as innovative internal design. It achieves highest capacity by optimized installation of the engine water heat exchanger as well as the immersion heater. The Basic line is characterized by a larger diameter (16 inches) and shorter length. Isotemp Stainless Steel Water Heaters achieve the highest capacity by optimizing the position of the engine water heat exchanger as well as the electrical immersion heater. These are positioned in the lowest part of the tank where the water is coldest in order to ensure an equal heating of all the water in the tank. The water inlets and outlets are specially designed to minimize the mixture of cold and hot water.

    Retail Price: $1,240

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