Isotherm products are high-quality yacht refrigeration and cooling solutions. They are used onboard boats and yachts to provide efficient and reliable cooling for perishables, beverages, and supplies, ensuring that sailors and boaters can enjoy fresh and chilled items during their voyages. These products are designed to fit various vessel sizes and layouts, making them a valuable addition to marine equipment for a comfortable and enjoyable sailing experience. Isotherm, under Indel Webasto Marine, a successful joint venture between the internationally known Indel B and the leading automotive supplier Webasto, extends its product range to include more specialized cooling solutions like the Isotherm Cruise 130 and Drawer 160 refrigerators. These units are known for their elegant design and efficient use of space, ideal for integration into the limited areas available on boats. The brand prioritizes energy-efficient operation, with systems like the water-cooled refrigeration options that consume an absolute minimum of battery power and operate noiselessly, ensuring they do not disrupt the onboard experience. These cooling units, from ice makers to wine cellars, are tailored to meet the demanding needs of the marine industry, offering customized solutions that combine luxurious comfort with thoroughly reliable and energy-saving engineering.
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1-2 weeks delivery time The Isotemp 607583B000003 Basic 75L HD marine water heater features a 20-gallon stainless-steel tank with a high-output 115V/1200W immersion heater and an integrated mixing valve. Low-mounted heating components provide uniform temperature distribution, while optimized inlet/outlet geometry reduces cold-water mixing for fast heat-up time and large-volume hot-water delivery on demanding marine systems.
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$ 2,072.85
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1-2 weeks delivery time The Isotemp 607591B000003 Basic 75L HD marine water heater features a 20-gallon stainless-steel tank equipped with a high-power 230V/2000W immersion heater and an integrated mixing valve. With low-mounted heating components for uniform heat distribution and optimized inlet/outlet geometry that minimizes cold-water mixing, it provides extremely fast heat-up times and high-volume hot-water output for large onboard systems.
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$ 1,962.83
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1-2 weeks delivery time The Isotemp 607591BD00003 Basic 75L HD heater features a 20-gallon stainless-steel tank, a high-power 230V/2000W immersion heater, double heat-exchange coils and an integrated mixing valve. With low-mounted heating components for uniform temperature distribution and optimized inlet/outlet design to reduce cold-water mixing, it delivers extremely fast heat-up times and large-volume hot water for demanding marine systems.
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$ 2,182.87
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1-2 weeks delivery time The Isotemp 601623QX00003 Slim Square 16L marine water heater features a 4.2-gallon stainless-steel tank, a 115V/750W immersion heater and a mixing valve. With a compact square footprint and low-mounted heating components for even temperature distribution, it offers high efficiency in confined installation spaces.
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$ 1,341.15
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Isotemp 601623QX00000 - 115V/750W Slim Square 16L Stainless Steel Marine Heater without Mixing Valve
1-2 weeks delivery time The Isotemp 601623QX00000 Slim Square 16L marine water heater features a compact 4.2-gallon stainless-steel tank with a 115V/750W immersion heater and an integrated engine-water heat exchanger. Designed without a mixing valve, it offers efficient heating and space-saving installation for small and mid-size vessels.
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$ 1,285.27
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Isotemp 601631QX00000 - 230V/750W Slim Square 16L Stainless Steel Marine Heater without Mixing Valve
1-2 weeks delivery time The Isotemp 601631QX00000 Slim Square 16L marine water heater features a compact 4.2-gallon stainless-steel tank with a 230V/750W immersion heater and an engine-water heat exchanger. Designed without a mixing valve, it provides efficient hot-water production and space-saving installation for small and medium-sized vessels.
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$ 1,063.79
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1-2 weeks delivery time The Isotemp 601631QX00003 Slim Square 16L marine water heater combines a compact 4.2-gallon stainless-steel tank with a 230V/750W immersion heater, engine-water heat exchanger and integrated mixing valve. Its space-efficient square design and low-mounted heating components ensure uniform heating and reliable hot-water delivery in confined installation spaces.
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$ 1,260.83
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Isotemp 6P1531SPA0100 - 230V/750W SPA 15L Stainless Steel Marine Heater without Safety, Mixing Valve
1-2 weeks delivery time The Isotemp 6P1531SPA0100 Spa 15L water heater features a 4-gallon stainless-steel inner tank, polypropylene outer casing and a 230V/750W immersion heater. Delivered without a safety valve or mixing valve, it provides a compact, cost-efficient hot-water solution for installations that use external protection and temperature-control components.
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$ 670.85
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1-2 weeks delivery time The Isotemp 6P1531SPA0003 Spa 15L marine water heater features a 4-gallon stainless-steel inner tank, robust polypropylene outer casing, 230V/750W immersion heater, 6 bar safety valve, integrated mixing valve and European plug. With a cylindrical 19.3" × 12.7" footprint and marine-grade components, it offers compact, safe and cost-efficient hot-water production for small onboard systems.
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$ 936.01
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1-2 weeks delivery time The Isotemp 6P2023SPA0003 Spa 20L marine water heater features a 5.3-gallon stainless-steel inner tank, durable polypropylene casing, a 115V/750W immersion heater, 6-bar safety valve, integrated mixing valve and USA plug. Its compact 23.2" × 12.7" cylindrical design provides efficient, safe and cost-optimized hot-water production for small and medium vessels.
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$ 1,037.30
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1-2 weeks delivery time The Isotemp 6P2031SPA0003 Spa 20L heater features a 5.3-gallon stainless-steel inner tank, strong polypropylene casing, a 230V/750W immersion heater, 6-bar safety valve, integrated mixing valve and European plug. Compact at 23.2" × 12.7", it delivers reliable, safe and efficient hot-water production for small to mid-size marine installations.
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$ 981.42
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Isotemp 6P2031SPA0100 - 230V/750W SPA 20L Stainless Steel Marine Heater without Safety, Mixing Valve
1-2 weeks delivery time The Isotemp 6P2031SPA0100 Spa 20L marine heater features a 5.3-gallon stainless-steel inner tank, durable polypropylene outer casing and a 230V/750W immersion heater. Delivered without a safety valve and mixing valve, it provides a compact, cost-effective heating solution for installations where external protection and temperature-control systems are already in place.
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$ 712.39
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1-2 weeks delivery time The Isotemp 6P2523SPA0003 Spa 25L heater features a 6.5-gallon stainless-steel inner tank, durable polypropylene casing, a 115V/750W immersion heater, 6-bar safety valve, integrated mixing valve and USA plug. With a compact 26.8" × 12.7" cylindrical footprint, it provides safe, efficient and marine-grade hot-water production for mid-size onboard systems.
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$ 1,232.89
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1-2 weeks delivery time The Isotemp 6P2531SPA0003 Spa 25L marine heater includes a 6.5-gallon stainless-steel inner tank, durable polypropylene casing, a 230V/750W immersion heater, 6-bar safety valve, integrated mixing valve and European plug. Its 26.8" × 12.7" cylindrical form offers efficient, safe and compact hot-water performance for mid-size marine installations.
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$ 1,016.35
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Isotemp 6P2531SPA0100 - 230V/750W SPA 25L Stainless Steel Marine Heater without Safety, Mixing Valve
1-2 weeks delivery time The Isotemp 6P2531SPA0100 Spa 25L marine water heater features a 6.5-gallon stainless-steel inner tank, impact-resistant polypropylene casing and a 230V/750W immersion heater. Delivered without a safety valve and mixing valve, it provides a compact and cost-efficient heating solution for installations using external pressure and temperature-control components.
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$ 747.53
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1-2 weeks delivery time The Isotemp 6P25B1SPA0003 Spa 25L HD water heater features a 6.5-gallon stainless-steel inner tank, polypropylene outer casing, a high-output 230V/1200W immersion heater, 6-bar safety valve, integrated mixing valve and European plug. With a compact 26.8" length and 12.7" OD, it delivers fast heat-up performance and marine-grade reliability for medium onboard hot-water systems.
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$ 1,107.16
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1-2 weeks delivery time The Isotemp 6P3031SPA0003 Spa 30L marine water heater includes an 8-gallon stainless-steel tank, durable polypropylene casing, a 230V/750W immersion heater, 6-bar safety valve, integrated mixing valve and European plug. Its 22" × 15.4" cylindrical footprint provides reliable, efficient hot-water production for medium-size vessels while maintaining compact installation dimensions.
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$ 1,023.33
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Isotemp 6P3031SPA0100 - 230V/750W SPA 30L Stainless Steel Marine Heater without Safety, Mixing Valve
1-2 weeks delivery time The Isotemp 6P3031SPA0100 Spa 30L heater features an 8-gallon stainless-steel inner tank, polypropylene casing and a 230V/750W immersion heater. Delivered without a safety valve and mixing valve, it provides a durable, space-efficient and economical solution for installations using external pressure relief and temperature-control systems.
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$ 753.91
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1-2 weeks delivery time The Isotemp 6P4023SPA0003 Spa 40L marine heater features an 11-gallon stainless-steel tank, polypropylene casing, a 115V/750W immersion heater, 6-bar safety valve, integrated mixing valve and USA plug. With a 26" length and 15.4" OD, it offers reliable, safe and efficient hot-water production for larger onboard systems.
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$ 1,239.87
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Isotemp 6P4023SPA0100 - 115V/750W SPA 40L Stainless Steel Marine Heater without Safety, Mixing Valve
1-2 weeks delivery time The Isotemp 6P4023SPA0100 Spa 40L marine heater features an 11-gallon stainless-steel tank, durable polypropylene casing and a 115V/750W immersion heater. Delivered without a safety valve and mixing valve, it offers an economical, robust hot-water solution for vessels using external temperature and pressure-control systems.
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$ 1,351.64
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Indel Webasto: How Is the Isotemp Basic 40 Typically Used on Watercraft?
Isotemp Basic 40 is typically used on watercraft for the purpose of providing hot water onboard. As a dependable Boat Hot Water Heater, it ensures a reliable supply of hot water for various applications, such as showering, dishwashing, and general domestic use on boats and yachts. This water heater is especially valuable for enhancing the comfort and convenience of passengers and crew during their maritime journeys.
In addition to water heating, Isotemp and Indel Isotherm products are high-quality yacht refrigeration and cooling solutions. They are used onboard boats and yachts to provide efficient and reliable cooling for perishables, beverages, and supplies, ensuring that sailors and boaters can enjoy fresh and chilled items during their voyages. These products are designed to fit various vessel sizes and layouts, making them a valuable addition to marine equipment for a comfortable and enjoyable sailing experience.
Isotherm, under Indel Webasto Marine, a successful joint venture between the internationally known Indel B and the leading automotive supplier Webasto, extends its product range to include more specialized cooling solutions like the Isotherm Cruise 130 and Drawer 160 refrigerators. These units are known for their elegant design and efficient use of space, ideal for integration into the limited areas available on boats. The brand prioritizes energy-efficient operation, with systems like the water-cooled refrigeration options that consume an absolute minimum of battery power and operate noiselessly, ensuring they do not disrupt the onboard experience. These cooling units, from ice makers to wine cellars, are tailored to meet the demanding needs of the marine industry, offering customized solutions that combine luxurious comfort with thoroughly reliable and energy-saving engineering. offer a wide array of refrigeration solutions to meet the diverse needs of watercraft. Products range from the compact Isotherm Cruise 42 refrigerators to the more spacious 130 liter models, all designed to operate efficiently with the lowest power consumption possible. These refrigerators and freezers, including specialized units like the clean touch stainless steel and low profile versions, are built to withstand the harsh marine environment, ensuring durability and reliability. The development of these systems involves careful research to ensure they not only provide convenience but also align with the stringent energy and space constraints typical on boats and yachts. This comprehensive approach to designing marine appliances underscores the commitment of Indel Webasto Marine to delivering high-quality, innovative solutions tailored specifically for marine applications.
What is Isotherm Cold Plate and how does it improve food storage conditions on a vessel?
Isotherm Cold Plate is a refrigeration system designed to enhance food storage conditions on vessels. It utilizes advanced technology to maintain a consistently low temperature, ensuring that perishables and provisions stay fresh for extended periods. By efficiently regulating the temperature within the refrigerator or freezer compartments, Isotherm Cold Plate contributes to preserving food quality and reducing waste during extended voyages on boats and yachts.
The Isotherm Cold Plate system is part of Indel Webasto
Marine's extensive range of cooling solutions tailored for the marine environment. This range includes classic refrigerator designs and innovative models like the Isotherm Cruise refrigerators, which are available in various sizes, including the practical 130-liter and space-saving 5.5 cubic feet models. Designed and manufactured in Sant'Agata Feltria, Italy, these refrigeration units, whether air-cooled or water-cooled, are engineered to meet the unique demands of marine applications. They are constructed to withstand the violent movements common in marine settings and offer features such as low profile designs for integration in tight spaces aboard cruisers and other large vessels. The collaboration between these two renowned companies highlights their commitment to providing high-quality, durable, and energy-efficient refrigeration solutions that enhance comfort on the water.
What maintenance and care recommendations are necessary for Isotherm and Isotemp products to ensure their long lifespan and optimal performance on marine vessels?
To ensure the long lifespan and optimal performance of Isotherm and Isotemp products on marine vessels, regular maintenance and care are essential. Here are some recommendations:
- Periodically clean the interior of Isotherm refrigeration units, including the Cold Plate and Cruise models, to prevent the buildup of ice and frost, which can affect cooling efficiency.
- Inspect the gaskets and seals on these products, such as Isotemp Basic 40 and Isotherm Freeline 115, to ensure they remain airtight, preventing cold air from escaping and warm air from entering the refrigerated compartments.
- Check and clean the condenser coils on units like Isotherm Magnum and Isotemp Slim 15 to remove dust and debris, as this can improve overall performance and energy efficiency.
By following these maintenance practices, boat and yacht owners can extend the lifespan and reliability of their Isotherm and Isotemp equipment, ensuring it continues to provide optimal cooling and storage solutions onboard.
Additionally, for Isotherm Marine refrigeration systems, it is crucial to regularly inspect and maintain the water cooling systems, especially in models like the Isotherm SP, which utilize water-cooled technology to enhance efficiency in warmer climates. These systems must be checked for scale build-up and proper water flow to prevent overheating and ensure efficient operation. The air-cooled models, suitable for less demanding environments, also require occasional airflow checks to keep them running smoothly. Utilizing travel boxes designed for the harsh marine environment can protect these units during off-season storage, further extending their service life. With Isotherm products being a prominent choice among 160 major boat manufacturers worldwide, adherence to these maintenance routines is vital for preserving the quality and performance expected from a brand renowned for its reliable and innovative marine solutions, all engineered and perfected in Sant'Agata Feltria, Germany.
