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 SGB00255AA basket supports are original spare parts for BI36 and BI36(II) built-in refrigerators. Designed for secure basket placement, they provide reliable stability, optimize storage space, and ensure smooth operation of the internal storage system. |
$ 49.78
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1-2 weeks delivery time The Isotherm SGC00528AA metal box case is an original spare part designed for BI36 and BI36(II) built-in refrigerators. It provides a durable protective housing that shields internal components from external elements, ensuring reliable operation and extended service life in demanding marine and RV environments. |
$ 179.96
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1-2 weeks delivery time The Isotherm SGC00529AA is a replacement door designed specifically for the BI36 built-in refrigerator. Crafted from durable, marine-grade materials, it provides a secure closure and reliable access to stored items, ensuring both functionality and an improved aesthetic appearance in onboard kitchens and galleys. |
$ 359.90
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1-2 weeks delivery time The Isotherm SGC00585AA is a complete replacement door for the BI36(II) built-in refrigerator. Made from durable, marine-grade materials, it ensures a precise fit, reliable closure, and effective insulation to maintain cooling performance. Designed for easy installation, this door assembly restores both functionality and appearance to your Isotherm BI36(II). |
$ 210.59
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1-2 weeks delivery time The Isotherm SGC00586AA is a durable metal storage basket designed specifically for the BI41(II) Dual Built-In Fridge/Freezer. Made from high-quality metal, it provides reliable support, efficient organization, and easy access to food and beverages. Optimized to fit perfectly inside the BI41(II), it enhances usability and keeps stored items well organized in marine or RV environments. |
$ 42.12
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1-2 weeks delivery time The Isotherm SGB00264AA is a set of basket supports with screws designed for the BI41(II) Dual Built-In Fridge/Freezer. Made from durable materials, these supports provide reliable reinforcement and stability for internal baskets, improving storage organization and usability. The included screws ensure quick, secure installation, making them a practical accessory for marine and RV refrigeration systems. |
$ 34.47
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1-2 weeks delivery time The Isotherm SBE00212AA Compressor Fixing Bracket is designed for the BI41(II) Dual refrigerator/freezer. Made from high-strength, corrosion-resistant materials, it ensures secure mounting, proper alignment, and reduced vibration of the compressor, improving both efficiency and longevity of the cooling unit. Compact and easy to install, this sturdy bracket is suitable for both new installations and replacements. |
$ 88.07
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1-2 weeks delivery time The Isotherm SBD00073AA is a high-quality filter for R134a refrigeration systems, featuring a 10-gram capacity and compatibility with B041 tubes (5mm OD, 2mm ID). Designed for durability and reliability, it effectively removes contaminants to protect system integrity. Suitable for use with BI-172 Isotherm built-in refrigerators/freezers and other marine, automotive, and industrial refrigeration applications, this filter ensures smooth operation, extended equipment lifespan, and consistent cooling performance. |
$ 15.32
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1-2 weeks delivery time The Isotherm SBE00215AA is a durable metal lid holder (right side) designed specifically for the BI-172 Isotherm refrigerator/freezer. Supplied with bushes and screws for easy installation, this component securely supports the lid at the desired angle, allowing hands-free access to the refrigerator’s contents. Made from corrosion-resistant, high-strength metal, it combines durability with ease of use. With dimensions of 150 mm (H) x 80 mm (W) x 60 mm (D) and a weight of approximately 200 g, it provides sturdy yet lightweight support, ensuring long-lasting functionality in marine and RV environments. |
$ 160.81
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1-2 weeks delivery time The Isotherm SEC00003DA is a genuine internal LED light kit designed to operate within a 12-24V DC voltage range. Supplied as a complete housing, it ensures efficient and reliable internal illumination for the BI-172 Isotherm refrigerator/freezer and other compatible units. With compact construction, a weight of only 0.1 kg, and straightforward installation, this light kit enhances visibility inside the refrigerator while maintaining energy efficiency and long service life in marine, RV, and off-grid environments. |
$ 80.41
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1-2 weeks delivery time The Isotherm SEA00043DA is a mechanical thermostat kit with an adjustment knob, designed for precise temperature control in Isotherm refrigeration systems. Compatible with BI-172, CR40, TB50, BI29, BI41 (from 2010), BI53, BI75, and BI92 Prodigy series units, it provides consistent cooling performance in marine, RV, and off-grid applications. Its durable construction and easy installation make it a reliable replacement component for maintaining optimal refrigeration efficiency. |
$ 164.64
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Isotherm SBE00216AA - Lid Metal Left with Bushes and Screws for BI-172 Built-In Refrigerator/Freezer
1-2 weeks delivery time The Isotherm SBE00216AA is a genuine left-side metal lid designed for the BI-172 Isotherm built-in refrigerator/freezer. Supplied complete with bushes and screws, this firm lid provides robust insulation, reliable support, and secure closure. Constructed from high-quality, corrosion-resistant metal, it ensures durability and long-lasting performance in marine, RV, and off-grid environments. With a weight of 1.5 kg, it combines strength with straightforward installation, making it an essential replacement for worn or damaged lids to maintain the refrigerator’s efficiency and reliability. |
$ 160.81
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1-2 weeks delivery time The Isotherm SGC00421AA is a genuine upper lid designed for the BI-172 Isotherm built-in refrigerator/freezer (BI172 Big). Manufactured from high-quality, durable materials and finished in white, this lid provides secure closure, reliable insulation, and long-lasting protection for stored items. With a weight of 2.01 kg, it ensures robust performance in marine, RV, and residential applications. Supplied for seamless integration, it offers easy installation, enhancing both the functionality and organization of your refrigeration system. |
$ 344.59
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1-2 weeks delivery time The Isotherm SGC00487AA is a genuine small upper lid with integrated gasket designed specifically for the BI-172 Isotherm refrigerator/freezer. Its built-in sealing system ensures an airtight fit, optimizing cooling efficiency and maintaining stable internal temperatures. Constructed from durable, marine-grade materials, this replacement lid is engineered for long service life in marine, RV, and off-grid environments. With straightforward installation and a robust design, it provides reliable performance, improved efficiency, and dependable food preservation in demanding conditions. |
$ 333.11
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1-2 weeks delivery time The Isotherm SGC00485AA is a genuine side door with integrated gasket designed exclusively for the BI-172 Isotherm built-in refrigerator/freezer. Engineered to provide a secure and airtight seal, it ensures optimal cooling efficiency and stable internal temperatures. Constructed from durable, marine-grade materials, this replacement door is ideal for use in harsh marine environments as well as RV and off-grid setups. With straightforward installation, a robust design, and effective sealing performance, it serves as a reliable upgrade or replacement to maintain the refrigerator’s efficiency and preserve stored provisions. |
$ 179.96
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1-2 weeks delivery time The Isotherm SBE00084AA Evaporator Protection is a dedicated accessory for the BI40 built-in refrigerator, designed to safeguard the evaporator against damage and environmental wear. Made from durable, corrosion-resistant materials, it improves cooling reliability and extends the service life of the refrigeration system. Easy to install and maintain, this protection is ideal for marine and RV applications where dependable refrigeration is essential. |
$ 53.60
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1-2 weeks delivery time The Isotherm SBF00058AA Evaporator BI40/EN G083 is a robust cooling component engineered for BI40 built-in refrigerators in marine and RV environments. Made from stainless steel and aluminum, it measures 400 × 250 × 150 mm and weighs 3.5 kg, offering compact integration with reliable cooling performance. Designed for durability, efficiency, and easy maintenance, this evaporator ensures consistent refrigeration, keeping food and beverages fresh during extended journeys in challenging conditions. |
$ 390.53
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1-2 weeks delivery time The Isotherm SBF00068AA Evaporator (G082) is a cooling component engineered exclusively for the BI40 refrigerator, delivering reliable and consistent refrigeration performance in marine and mobile environments. Built with durable materials to withstand harsh conditions, this evaporator ensures stable temperature control for food and beverage preservation. Its compact design allows easy integration into BI40 units, making it a dependable replacement part for yachts, boats, RVs, and off-grid setups where efficiency and reliability are essential. |
$ 153.15
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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.