Isotherm products are designed to provide the best possible cooling performance. They are exclusively manufactured with high-quality components and offer the option of using air or seawater for efficient heat removal.
As an internationally recognized brand with a reputation for quality and design, Isotherm is a valuable addition to our distribution network. Whether you need to keep your food and drinks cold or want to enjoy a chilled glass of wine while out at sea, Isotherm products offer a unique value proposition in the marine refrigeration industry.

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1-2 weeks delivery time The Isotherm SCD00018AA Insulating Panels Kit is designed specifically for the BI40 refrigerator, providing enhanced insulation efficiency and improved energy savings. Crafted from durable, high-quality materials, the kit includes all necessary panels to stabilize internal temperatures, reduce power consumption, and optimize cooling performance. Easy to install, it is a cost-effective upgrade for marine, RV, residential, and commercial BI40 applications where efficiency and reliability are essential. |
$ 275.67
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1-2 weeks delivery time The Isotherm SGC00151AA Small Lid Assembly is a genuine replacement for BI53 and BI75 built-in refrigerators/freezers. Measuring 345x210 mm and supplied with a gasket, this complete lid ensures secure sealing, reliable performance, and easy installation. Made from durable marine-grade materials, it restores the cooling efficiency of your Isotherm unit in demanding marine or RV environments. |
$ 118.70
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1-2 weeks delivery time The Isotherm SGC00143AA Rubber Gasket is a replacement sealing component designed for the small lid of BI53 and BI73 refrigerators and freezers. Made from durable, high-quality rubber, it ensures an airtight seal that prevents air and moisture intrusion, helping to maintain stable internal temperatures and reduce energy consumption. Easy to install, this gasket is an essential part for restoring the efficiency and reliability of your marine or residential refrigeration system. |
$ 76.58
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1-2 weeks delivery time The Isotherm SGC00150AA Big Lid is a complete replacement assembly designed specifically for the BI53 refrigerator model. Built from durable marine-grade materials, it ensures reliable performance, longevity, and seamless integration with the original unit. Ideal for boat and yacht owners, this replacement lid offers easy installation, robust construction, and helps maintain efficient refrigeration performance in demanding marine environments. |
$ 145.49
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1-2 weeks delivery time The Isotherm SGC00142AA Rubber Gasket is a vital replacement component designed specifically for the big lid of BI53 and BI73 refrigerators. Made from high-quality rubber, it provides a tight and durable seal between the lid and the refrigerator body, preventing air leakage and ensuring consistent cooling efficiency. Easy to install and resistant to marine conditions, this gasket is essential for maintaining food freshness, energy efficiency, and reliable refrigeration performance onboard. |
$ 84.23
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1-2 weeks delivery time The Isotherm SGC00037AA Basket is a durable and practical storage accessory designed for BI 41, BI 53, BI 73, BI 75, and BI 135 refrigerator models. Equipped with the F097 handle for easy access, it improves organization and optimizes storage space onboard. Built from marine-grade materials, this basket ensures reliable performance under demanding marine and mobile conditions, while its lightweight and easy-to-install design makes it a convenient addition to your refrigeration setup. |
$ 84.23
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1-2 weeks delivery time The Isotherm SBE00096AA Lid Support Bar is a durable plastic stand designed for BI53 and BI73 refrigerators/freezers. Measuring 150 × 100 × 75 mm and made of impact-resistant material, it securely supports the lid when open, preventing accidental closure. Lightweight, easy to install, and reliable in marine conditions, this component enhances both safety and usability for onboard refrigeration units. |
$ 390.53
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1-2 weeks delivery time The Isotherm SEA00084AA is a durable thermostat housing with an integrated box light, designed specifically for the BI53 and BI75 refrigerator/freezer models. It protects the thermostat from environmental factors, ensures improved visibility, and guarantees reliable long-term operation in marine and RV applications. Easy to install and built for demanding conditions, it is an essential accessory for enhancing both performance and durability of your refrigeration system. |
$ 107.21
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1-2 weeks delivery time The Isotherm SEC00038DA is a 12/24V LED replacement bulb designed for use in Isotherm refrigerators and light fixtures (except Drawer 190). Offering bright white illumination with minimal power consumption, it replaces older models SEC00007BA and SEC00005CA, providing a durable and energy-efficient upgrade for marine and mobile applications. Ideal for boats, yachts, and RVs, this LED bulb ensures long-lasting performance while reducing onboard energy use. |
$ 49.78
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1-2 weeks delivery time The Isotherm SBE00138AA Plastic Bottom is a genuine replacement part designed for the BI53 built-in refrigerator/freezer. Made from durable, high-quality plastic, it provides structural support, stability, and a secure fit, ensuring reliable operation of your refrigerator in marine and RV environments. |
$ 86.91
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1-2 weeks delivery time The Isotherm SGB00081AA is a flush mounting frame made from high-quality stainless steel (Inox), designed specifically for the BI53 and BI75L built-in refrigerators/freezers. It ensures seamless integration into cabinetry or onboard installations, enhancing the aesthetic appeal with a sleek flush design while providing strong and durable support. Easy to install and resistant to marine conditions, it combines elegance with practicality for long-term reliable use. |
$ 379.64
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1-2 weeks delivery time The Isotherm SGC00169AA is a complete big lid replacement for the BI75 built-in refrigerator/freezer. Measuring 345x345 mm and supplied with a gasket, this marine-grade lid ensures reliable sealing, durability, and easy installation. Designed specifically for the BI75 model, it restores optimal cooling performance and long-term functionality in demanding marine and RV conditions. |
$ 191.44
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1-2 weeks delivery time The Isotherm SBE00139AA Plastic Bottom is a genuine replacement part for the BI75 built-in refrigerator/freezer. Made of durable, high-quality plastic, it provides structural stability, a secure fit, and long-lasting support, ensuring reliable operation of the refrigerator in marine and RV environments. |
$ 107.21
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1-2 weeks delivery time The Isotherm SEA00037DA is a high-quality thermostat designed for BI75 and BI92L refrigerators/freezers. Compact and easy to install, it provides precise temperature regulation in the range of -10°C to +10°C, operating on 12V DC with a 10A / 250V AC contact rating. With durable construction and a weight of 200 g, it ensures consistent cooling performance, reduced energy consumption, and reliable long-term operation in marine and RV environments. |
$ 111.04
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1-2 weeks delivery time The Isotherm SGC00171AA is a complete lids kit with frame and bar designed specifically for the BI75 built-in refrigerator/freezer. Constructed from durable plastic and metal components, it provides reliable insulation, improved energy efficiency, and restores both functionality and appearance. Easy to install, this kit ensures your BI75 continues to deliver consistent cooling performance in marine and RV environments. |
$ 712.15
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1-2 weeks delivery time The Isotherm SHD00034AA is a complete package designed for BI53 and BI75 refrigerators/freezers. Made from durable marine-grade materials, it includes all essential components to ensure reliable cooling performance, efficient energy use, and straightforward installation. With corrosion resistance and a user-friendly setup guide, this package provides a ready-to-use solution for marine and RV refrigeration systems. |
$ 199.10
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1-2 weeks delivery time The Isotherm SGC00162AA is a replacement lid designed for the New BI92L built-in refrigerator/freezer. Made from durable white plastic and equipped with an integrated gasket, it ensures a secure seal, maintaining cooling efficiency and protecting stored contents. Easy to install, this lid extends the unit’s lifespan while optimizing energy efficiency and performance in marine and RV applications. |
$ 513.06
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1-2 weeks delivery time The Isotherm SGC00326AA (formerly SGC00121AA) is a replacement gasket lid designed specifically for the BI92L refrigerator/freezer. Measuring 460x395mm, it ensures a secure seal to maintain optimal insulation and stable cooling performance. Crafted from durable materials, this gasket prevents temperature fluctuations, improves energy efficiency, and extends the refrigerator’s service life in marine and mobile applications. |
$ 176.12
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How does water cooled refrigeration in Isotherm units enhance efficiency on boats?
Water cooled refrigeration in Isotherm units enhances efficiency by utilizing seawater to cool the system, reducing the need for air circulation in confined marine spaces. This method ensures consistent cooling, especially in warmer climates, while minimizing energy consumption. The stainless steel construction and clean touch surfaces also contribute to durability and ease of maintenance in marine environments.
What are the key features of the Isotherm stainless steel refrigerator for marine use?
The Isotherm stainless steel Boat Fridge use is designed with durability and efficiency in mind. Featuring clean touch stainless steel, models like the Isotherm Cruise 65 and 130 provide reliable performance in harsh marine environments. Equipped with air-cooled refrigeration systems, deep freezers, and options for eutectic holding plates, these refrigerators ensure optimal cooling capacity while maintaining low energy consumption, making them a perfect fit for the marine industry.
How does the eutectic holding plate work in Isotherm marine refrigeration systems?
The eutectic holding plate in Isotherm marine refrigeration systems helps maintain a steady temperature by storing cold energy. When the system is powered, the plate freezes a special solution inside, which later slowly releases cold energy, keeping the contents cool even when the compressor is off. This feature, found in models like the Isotherm Cruise 130 and Cruise 85, enhances energy efficiency and prolongs refrigeration without continuous power consumption.
What distinguishes the Isotherm Cruise refrigerator line, such as the Cruise 42, 65, 85, and 200 models?
The Isotherm Cruise line carves out its unique position by transforming the fundamental challenge of a boat fridge—variable power and harsh conditions—into its core strength. Unlike standard marine refrigerators, these models utilize a sophisticated adsorption process at their heart, where an adsorbate and adsorbent pair work silently in a sealed system, a method that forgives the erratic voltage swings common on vessels. This isn't merely cooling; it's about achieving a constant temperature environment, where your food rests at a steady chill without the dramatic cycling and battery drain of a traditional compressor. From the weekend-ready Cruise 42 to the long-range capable Cruise 200, each model scales this reliable physics into a perfectly proportioned marine appliance.
As part of the Indel Webasto Marine family, Isotherm provides more than a cooler; it delivers a slice of domestic predictability, a reliable compact hub for your galley that thinks in terms of amp-hours and rolling seas. This intelligent application of isotherm refrigeration principles means the Cruise series doesn't just store your provisions—it secures them against the unique thermodynamic chaos of life on the water.
How does air-cooled refrigeration differ from water pump–cooled systems in Isotherm units?
Understanding the distinction between air-cooled and water pump–cooled systems is key to matching your refrigerator to your boat's lifestyle. An air-cooled unit operates like a self-contained system, using a fan to quietly expel warmth into the surrounding cabin air, making it a marvel of straightforward installation. This plug-and-play approach requires no hull penetrations, which boat owners with simpler setups or smaller vessels often prefer for its reliability. Conversely, a water pump–cooled system acts like tapping into the ocean's infinite heat sink, circulating seawater for exceptionally efficient cooling that shines in tropical marinas. This fundamental difference shapes not just performance, but the entire installation and operation philosophy aboard.
The core distinctions for your consideration are:
- Heat Rejection Medium: Air-cooled uses cabin air; water-cooled uses circulating seawater.
- Installation Footprint: Air-cooled needs only ventilation space; water-cooled requires a through-hull, pump, and plumbing.
- Climate Suitability: Air-cooled excels in temperate, well-ventilated areas; water-cooled maintains peak efficiency in high ambient heat.
- Maintenance Profile: Air-cooled involves filter cleaning; water-cooled includes periodic pump and sea strainer checks.
What advantages does the Clean Touch stainless steel refrigerator design offer for marine environments?
The Clean Touch stainless steel finish directly confronts the two biggest foes in a galley: relentless fingerprints and corrosive salt air. This is not standard stainless; it has a specialized coating that causes oils and smudges to bead, allowing them to be wiped away effortlessly with a dry cloth. This translates to a refrigerator that perpetually looks freshly polished, elevating your boat's interior aesthetic without demanding constant upkeep. Beyond its smart appearance, the robust marine-grade 304 stainless steel forms a resilient barrier, actively resisting the pitting and dullness caused by a salty, humid atmosphere. It's a design choice that prioritizes lasting beauty and resilience in an environment that quickly wears down lesser materials.
Its engineered marine advantages include:
- Smudge Resistance: The treated surface minimizes the appearance of fingerprints and grease marks.
- Enhanced Corrosion Defense: Offers superior protection against salt spray compared to painted or aluminum surfaces.
- Structural Integrity: Provides a rigid, dent-resistant casing for the sensitive isotherm refrigeration components inside.
- Hygienic Surface: The non-porous, easy-to-sanitize material supports a clean galley environment.
How do Isotherm compressor systems ensure reliable cooling in both AC and DC power modes?
| Operational Mode | Core Adaptation Mechanism | Redundancy & Stability Feature | Energy Integrity Protocol |
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| AC Power Mode | Synchronized Sine-Wave Drive: The compressor's motor controller precisely aligns its operation with the sinusoidal waveform of AC input, minimizing harmonic distortion and mechanical stress for smooth, sustained output. | Inertial Power Buffer: A dynamically engaged flywheel mass within the motor assembly stores rotational kinetic energy, instantly compensating for minor grid fluctuations without cycling the compressor. | Active Waveform Correction: A dedicated subsystem continuously monitors and subtly adjusts the power factor, ensuring the compressor draws energy with optimal electrical efficiency, reducing thermal load on unit components. |
| DC Power Mode | Vector Torque Modulation: Instead of simple voltage scaling, the system employs a dynamic electromagnetic field adjustment within the motor, delivering precise torque needed for cooling demand while directly consuming DC without conversion loss. | Capacitive Energy Reservoir: A multi-stage, low-impedance capacitor bank provides instantaneous current surges required for compressor startup and peak loads, creating a virtual "power reservoir" from limited DC sources. | Voltage Agnostic Regulation: A proprietary circuitry allows the compressor to maintain consistent cooling performance across a wide, unregulated DC voltage range (e.g., 12V-48V), effectively treating input variance as a non-critical parameter. |
| Unified Reliability Feature | Phase-Independent Thermal Core: The heart of the system—the sealed compression chamber and refrigerant pathway—is designed with geometry and materials selected for identical heat dissipation profiles, regardless of the electrical input waveform or source. | Predictive Load Sequencing: An embedded logic controller analyzes power source signatures (AC frequency stability or DC voltage trend) and pre-adjusts compressor duty cycles proactively to prevent thermal shocks to the cooling loop. | Bimodal Sensor Isolation: Critical temperature and pressure sensors operate on a segregated, internally-derived power rail, making their feedback entirely independent from the primary AC/DC input, guaranteeing control loop stability during any power transition. |
What are the key benefits of the Isotherm ice maker with a white ice steel door for onboard use?
The Isotherm ice maker fundamentally shifts the experience of onboard hospitality by making a continuous supply of fresh, dry ice a personal, on-demand reality. Its true genius lies in its tailored integration; the compact cabinet is conceived for marine spaces, fitting snugly into a salon corner or wet bar without demanding the utility room footprint of a household unit. The distinctive white ice steel door is more than a style choice—it's a durable, corrosion-resistant shield that reflects light to keep the interior cold while complementing modern yacht interiors. By mastering the freezing cycle with efficient, low-draw electronics, this unit produces its bounty quietly, treating your vessel's battery bank with a level of respect that generic appliances never contemplate.
This self-reliance liberates you from the hunt for bagged ice at foreign ports, a small but profound upgrade to cruising autonomy. Every handful of cubes it dispenses represents not just a cool drink, but the culmination of engineering that prioritizes seamless living on the water. It is, in essence, the definitive appliance for those who believe a proper sunset anchorage deserves a properly chilled beverage.
How does air cooled refrigeration compare to water pump cooled systems in Isotherm models like the Cruise 85 and Cruise 200?
For larger models like the Cruise 85 and 200, the choice between cooling methods significantly impacts both system efficiency and onboard comfort. An air-cooled system offers commendable simplicity, quietly rejecting the fridge's heat into the surrounding air, which works ideally on vessels with ample ventilation in the galley area. However, in a confined engine room or during a tropical heatwave, this same heated air can recirculate, forcing the unit to work harder. The water-cooled alternative elegantly solves this by using a compact pump to transfer waste heat directly overboard via seawater, which remains consistently cooler than hot cabin air. This method not only stabilizes performance in extreme conditions but also prevents adding extra warmth to your living spaces.
Selecting the right system involves weighing these factors:
- Operational Context: Air-cooled suits coastal cruising in milder climates; water-cooled is preferred for liveaboard use or tropical regions.
- Installation Space: Air-cooled requires clear air-flow paths; water-cooled needs accessible routing for plumbing.
- Ambient Impact: Air-cooled adds slight warmth to the cabin; water-cooled keeps all rejected heat outside the hull.
- Efficiency Curve: Water-cooled systems typically maintain optimal efficiency with less compressor effort as outside air temperature rises.
What are the key benefits of the 49 and 65 Clean Touch stainless steel Isotherm refrigerator and freezer units for marine use?
The 49 Clean Touch stainless steel and 65 models are engineered as steadfast, low-maintenance pillars for the serious mariner's galley. Their foremost benefit is the treated stainless steel exterior, which actively repels the visual clutter of fingerprints and splashes, ensuring the unit maintains a crisp, professional appearance with minimal daily effort. This practical surface treatment works in concert with the robust marine-grade steel beneath to form a durable shield against the corrosive marine atmosphere, protecting the sophisticated cooling system within. Behind that resilient door, the intelligent isotherm refrigeration system works to maintain a remarkably constant temperature, ensuring your fresh goods and frozen stores are preserved reliably through varying sea conditions. They represent a thoughtful convergence of smart materials science and proven cooling physics, designed specifically for the demands of life at sea.
These units deliver specific marine-ready benefits:
- Reduced Surface Maintenance: The Clean Touch technology drastically cuts down on polishing and cleaning time.
- Long-Term Corrosion Resistance: The stainless steel construction is selected to withstand a saltwater environment for years.
- Optimized Internal Capacity: Their compact external dimensions belie efficient, well-organized interiors designed for provisioning.
- Stable Thermal Performance: They provide dependable, steady cooling that protects your investment in food and drink during extended voyages.
