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 SBF00047AA Evaporator for Refrigerator 350x250mm is designed to provide efficient cooling for refrigerated compartments in marine environments. With its compact dimensions, it fits well in various applications on boats, yachts, and other marine vessels, optimizing space while ensuring reliable temperature regulation for perishable goods. Equipped with a connector for straightforward installation, this evaporator integrates seamlessly into existing refrigeration systems, enhancing operational efficiency and reducing energy consumption. Its durable construction and effective cooling capabilities make it an ideal choice for maintaining freshness and safety of stored items during maritime journeys. |
$ 305.50
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1-2 weeks delivery time The Isotherm SBF00004AA Flat Evaporator is a square evaporator measuring 386x361 mm, designed for marine refrigeration systems including the GE150 type. Built from high-quality, durable materials, it ensures reliable cooling performance in compact environments such as boats and RVs. Supplied without couplings, it integrates efficiently into existing setups, offering a balance of performance, durability, and ease of installation. |
$ 157.19
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1-2 weeks delivery time The Isotherm SBF00050AA Evaporator is a square flat evaporator measuring 385x360 mm, specifically designed for marine refrigeration systems such as the GE150 type. Supplied with couplings and packing, it ensures straightforward installation and seamless integration into existing setups. Built from durable, marine-grade materials, this evaporator delivers reliable temperature regulation, supporting efficient cooling and long-lasting performance for perishable storage on boats and yachts. |
$ 317.79
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1-2 weeks delivery time The Isotherm SBF00031AA Flat Evaporator is a compact and efficient cooling component measuring 815x210 mm, designed for marine and mobile refrigeration systems such as types 2012V and 2553SP. Supplied with couplings for straightforward installation, it delivers reliable cooling performance while fitting easily into confined spaces. Built from corrosion-resistant materials, this evaporator withstands harsh marine environments and ensures long-lasting operation with minimal maintenance. |
$ 365.74
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1-2 weeks delivery time The Isotherm SBF00033AA Flat Evaporator measures 1200x190 mm and is designed for marine refrigeration systems, including types 2016V and 2554SP. Its flat design optimizes space usage while delivering efficient cooling performance. Supplied with couplings for quick installation, this evaporator is built from durable, corrosion-resistant materials, ensuring long-lasting reliability in harsh marine environments. |
$ 532.21
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1-2 weeks delivery time The Isotherm SBF00035AC Flat Evaporator measures 1000x270 mm and is designed for marine refrigeration systems, including types 2017V and 2555SP. Its flat construction allows space-efficient installation while ensuring reliable cooling performance. Made from durable, corrosion-resistant materials, it withstands harsh marine environments. Supplied with couplings for straightforward installation, it supports energy-efficient operation and long-lasting reliability, making it an excellent choice for boats, yachts, and other marine applications. |
$ 544.51
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1-2 weeks delivery time The Isotherm SBF00017AA Flat Evaporator measures 1370x300 mm and is designed for use in marine refrigeration systems, including types 2013V and 2556SP. Supplied with installation couplings, it delivers reliable cooling performance through efficient heat exchange. Built from durable, corrosion-resistant materials, it withstands marine conditions while ensuring consistent operation. Easy to install and integrate, it is a dependable choice for boats, yachts, and other marine refrigeration setups. |
$ 497.74
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1-2 weeks delivery time The Isotherm SBF00018AA L-Evaporator features an L-shaped design with dimensions of 250x110x350 mm, making it a versatile solution for marine refrigeration systems, including types 2007V and 2057SP. Supplied with installation couplings, it ensures straightforward integration into existing setups. Constructed from durable, corrosion-resistant materials, this evaporator delivers superior cooling efficiency, maintaining stable temperatures and reducing energy consumption. Ideal for boats, yachts, and other marine vessels where reliability and space efficiency are essential. |
$ 363.74
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1-2 weeks delivery time The Isotherm SBF00022AA L-Evaporator Plate features an L-shaped design (400x170x210 mm) and comes with couplings for seamless installation. Engineered for marine refrigeration systems such as 2010V and 2050SP, it delivers reliable cooling efficiency, ensuring optimal temperature control in demanding marine conditions. Constructed from durable, corrosion-resistant materials, it guarantees long-lasting performance while supporting energy-efficient operation—ideal for boats, yachts, and other marine vessels. |
$ 317.79
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1-2 weeks delivery time The Isotherm SBF00014AA O-Evaporator Small is a compact 4-liter evaporator designed for reliable cooling performance in marine and RV refrigeration systems. With dimensions of 240x210x85 mm, it is ideal for installations where space is limited. Built with high-quality materials, this evaporator ensures durability, efficient heat exchange, and reduced energy consumption. Supplied with couplings (TP29002), it offers straightforward installation and seamless integration into standard Isotherm refrigeration systems such as 2001V and 2051SP. |
$ 302.48
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1-2 weeks delivery time The Isotherm IMSBH00014XA O-Evaporator 4L (ex. SBF00014XB) is a compact, high-efficiency evaporator designed for marine and mobile refrigeration systems. With dimensions of 240x210x85 mm and equipped with X-couplings, it provides reliable cooling capacity in space-constrained environments. Serving as a direct replacement for the SBF00014XB, this 4-liter evaporator ensures seamless integration, durable performance, and efficient heat exchange. Ideal for Isotherm refrigeration systems like 2001V and 2051SP, it is built for long-lasting reliability in demanding conditions. |
$ 308.77
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1-2 weeks delivery time The Isotherm SBF00029AA Evaporator Plate ‘O’ Medium is a 7.5-liter, medium-sized evaporator designed for marine refrigeration systems. Measuring 320x230x100 mm, it provides efficient and reliable cooling performance for refrigerated compartments on boats and yachts. Equipped with couplings for easy installation, it integrates seamlessly into Isotherm systems such as 2301V and 2351SP. Built from durable materials, this evaporator ensures long-lasting operation in harsh marine conditions, helping preserve perishable goods during extended voyages. |
$ 325.45
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1-2 weeks delivery time The Isotherm SBF00015AA Evaporator Plate ‘O’ Large is a 14-liter high-capacity evaporator designed for marine and mobile refrigeration systems. With dimensions of 380x270x140 mm and equipped with Quick-Fit Connectors, it ensures straightforward installation and reliable integration into existing setups. Built for durability, it delivers consistent cooling performance in demanding environments such as boats, yachts, and RVs, making it an excellent choice for professional and recreational refrigeration needs. |
$ 390.53
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1-2 weeks delivery time The Isotherm SEA00020DA Thermostat is designed for use with CR42, BI40, TR825, and Compact models, specifically for O-EVAP. C008 applications. This thermostat ensures accurate and reliable temperature regulation, maintaining optimal cooling performance in marine and mobile refrigeration systems. Compatible with standard versions across multiple Isotherm units, it is an essential replacement component for ensuring consistent operation and extended service life of your refrigeration system. |
$ 45.95
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1-2 weeks delivery time The Isotherm SEA00023AA PVC Thermostat Box is a durable and weather-resistant enclosure designed to protect thermostats in marine and RV environments. Made of robust PVC, it safeguards against moisture, dust, and environmental elements, ensuring reliable thermostat performance in harsh conditions. Compatible with various Isotherm thermostat models, this protective housing offers straightforward installation and long-lasting durability, making it essential for standard version refrigeration systems. |
$ 30.63
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1-2 weeks delivery time The Isotherm SEA00002AA Thermostat Knob is a reliable replacement component for precise temperature regulation in refrigeration units such as CR42, TB26, BI41, and Classic Compact. Designed with an ergonomic grip for ease of use, this durable knob allows users to adjust cooling settings smoothly to maintain optimal refrigeration conditions in marine, RV, and mobile applications. Its simple installation process requires no specialized tools, making it a practical and essential part for maintaining reliable system performance. |
$ 26.81
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1-2 weeks delivery time The Isotherm SEA00009DA Thermostat Combi Fridge/Freezer TP19002 (Danfoss 077B0033) is a precision control unit designed for combined refrigerator and freezer compartments. With a regulation range of +2.5°C to -24.5°C, it ensures accurate temperature management, maintaining optimal storage conditions. Reliable, efficient, and easy to install, it is essential for standard Isotherm fridge/freezer systems across multiple models. |
$ 57.44
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1-2 weeks delivery time The Isotherm SEA00012AA White Housing is a durable protective enclosure for freezer thermostats, ensuring secure fit and reliable performance in refrigeration systems. Made from high-quality plastic, it withstands low-temperature environments and blends seamlessly into freezer interiors thanks to its white finish. Lightweight and easy to install without special tools, it is an essential spare part for maintaining the efficiency and longevity of Isotherm freezers. |
$ 26.81
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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.
