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 Isotherm SFD00012AA is a water-mixing valve kit designed for Slim-A water heaters manufactured before 2004 and Slim Square models. It provides thermostatic hot- and cold-water blending, stabilizes outlet temperature and ensures safe, scald-free operation in marine hot-water systems.
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$ 145.49
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1-2 weeks delivery time The Isotherm SFD00023AA is a brass 7.0 kp/cm² (100 psi) safety valve for Isotemp Basic and Slim water heaters. The -06 version provides automatic over-pressure protection, venting excess pressure to prevent tank damage and ensure safe, reliable operation in marine hot-water systems.
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$ 122.52
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1-2 weeks delivery time The Isotemp SFD00031AA is a 5-bar safety valve designed for Slim Square 16L marine water heaters, providing reliable overpressure protection in compact hot-water installations. Built from corrosion-resistant materials, it ensures safe operation in demanding onboard environments.
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$ 57.44
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1-2 weeks delivery time The Isotherm SFD00033AA is a water-mixing thermostat kit designed for SPA systems equipped with an LK mixing valve. It provides thermostatic blending of hot and cold water, stabilizing outlet temperature and ensuring safe, controlled operation in marine hot-water circuits.
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$ 306.30
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1-2 weeks delivery time The Isotherm SFD00034AA is a water-mixing thermostat kit designed for SPA 15, 20, 25, 30 and 40 systems using the B-type mixing valve. It provides thermostatic hot- and cold-water blending, stabilizes outlet temperature and restores safe, controlled operation in marine hot-water circuits.
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$ 329.27
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1-2 weeks delivery time The Isotherm SFD00041AA is a thermostatic water-mixing valve kit designed for Isotemp Square water heaters. It provides controlled hot- and cold-water blending, ensuring a stable outlet temperature, improved system safety and protection against scalding in marine hot-water installations.
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$ 306.30
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1-2 weeks delivery time The Isotemp SFE00007AA flexible stainless-steel tube (9×13 mm, 1/2", length 245 mm) is designed for Isotemp Slim water heaters, providing a durable corrosion-resistant connection for hot-water plumbing. Its marine-grade construction ensures reliable vibration-proof performance in tight installation spaces.
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$ 30.63
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1-2 weeks delivery time The Isotherm SFE00016AA is a 9×13 mm stainless-steel flexible tube with 1/2" threaded ends and a 215 mm length. Designed for Isotemp Basic and Slim-B heaters, it provides a durable, corrosion-resistant connection section that absorbs vibration, supports compact routing and ensures a secure, leak-free link within marine hot-water circuits.
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$ 30.63
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1-2 weeks delivery time The Isotherm SFE00020AA is a stainless-steel flexible tube with 1/2" female–female threaded ends and a 200 mm length, designed for Isotemp Basic Double-Coil water heaters. It offers a corrosion-resistant, vibration-absorbing connection section that ensures secure sealing and compact routing in marine hot-water circuits.
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$ 42.12
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1-2 weeks delivery time The Isotherm SFE00021AA is a stainless-steel flexible tube with 1/2" female–female threaded ends and a 250 mm length. Suitable for Isotemp Basic, Slim, SPA and Square heaters, it provides a corrosion-resistant, vibration-absorbing connection that ensures secure sealing and optimal routing in marine hot-water plumbing systems.
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$ 42.12
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1-2 weeks delivery time The Isotherm SGB00047AA is a two-piece fixing bracket kit designed for securing Isotemp Basic water heaters in 24, 30, 40, 50 and 75 L capacities. The brackets provide rigid mounting support, vibration resistance and correct positioning in marine technical compartments, ensuring safe and stable installation under dynamic vessel conditions.
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$ 229.73
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1-2 weeks delivery time The Isotherm SGB00049AA is a two-piece fixing foot kit designed for securing Isotemp Slim water heaters in 15, 20 and 25 L capacities. These corrosion-resistant mounting feet provide stable floor or platform support, reduce vibration transfer and ensure safe, rigid installation in compact marine technical spaces.
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$ 122.52
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1-2 weeks delivery time The Isotemp SGB00074AA fixing bracket kit is designed for secure mounting of Slim Square 16L water heaters. It provides stable support for wall or compartment installation, using corrosion-resistant hardware suitable for marine environments. Compatible with all Isotemp Slim Square 16L models.
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$ 126.36
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1-2 weeks delivery time The Isotherm SGB00165AA is a two-piece fixing bracket kit designed for SPA 30, 40 and 50 L marine water heaters. These corrosion-resistant brackets provide secure mounting to bulkheads or platforms, ensuring stable positioning, vibration resistance and safe installation in technical compartments.
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$ 195.27
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1-2 weeks delivery time The Isotherm SGB00166AA is a two-piece fixing bracket kit designed for SPA water heaters in 15, 20 and 25 L capacities. These corrosion-resistant brackets provide secure bulkhead or platform mounting, ensuring stable positioning, reduced vibration transfer and reliable installation in marine technical spaces.
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$ 149.33
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1-2 weeks delivery time The Isotherm SGH00010AA is a cut-out display panel designed for the Isotemp Slim 20L water heater, featuring integrated controls and a built-in mixing valve interface. It provides temperature adjustment, system status indication, and accurate regulation of mixed water output, ensuring stable performance in compact marine installations.
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$ 1,359.22
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1-2 weeks delivery time The Isotherm SGH00016AA is a recessed cut-out display panel for the Slim/B 15L marine water heater, providing temperature control, system status indication, and a dedicated interface for the built-in mixing valve. Designed for compact marine setups, it ensures accurate mixed-water regulation and stable heater performance.
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$ 1,140.97
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1-2 weeks delivery time The Isotherm SGH00026AA SPA Water Heater is a 30/40-liter 230V, 750W marine heating unit equipped with a safety valve and an integrated mixing valve. Designed for compact onboard installations, it provides stable hot-water output, controlled temperature delivery, and reliable pressure protection for small to mid-size vessels.
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$ 2,749.06
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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.
