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Surejust Calorifiers

Surecal Calorifiers

SureCal boilers are made of the finest quality materials, which guaranteeing the ultimate performance and reliability. In addition the drop coil technology and finned surface heat exchanger used in the boiler provides unrivaled heat recovery. The units also come in twin coil version for use with secondary water heaters.

SureCal calorifiers come completely assembled ready for quick and easy installation. The immersion, pressure release valve, barbed engine coil connections and stainless steel fixing brackets all come as standard. A thermostatic mixer valve is fitted as standard for the safety of those onboard and increases the volume of hot water available.The stored water within the boiler reaches the same temperature as the engine (generally 85°C). If the mixer valve is set at 65°C you will generally increase your available hot water supply by 25%.

Every calorifer is also individiually bench tested ensuring quality and reliability every time. In house development and a commitment to customer service, quality and reliability allow us to provide boat builders with the exact shape and size of boiler to suit their space and application.

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  • Surecal Single Coil Calorifier 20 Litre (Horizontal, Pre-Plumbing Kit) HOR20SC

    In Stock

    • Thermostatic mixer valve, 4 bar pressure release valve
    • 1kw immersion heater
    • Non return valve
    • 15mm barbed connections for coil, ready for 15mm push fit plastic plumbing
    • Supplied with stainless steel saddles

    £569.99

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  • Surecal Single Coil Calorifier 22 Litre (Horizontal, Pre-Plumbing Kit) HOR22SC

    In Stock

    • 22-litre horizontal single-coil calorifier for efficient heat recovery
    • 100% copper construction with polyurethane insulation for heat retention up to 24 hours
    • Includes thermostatic mixer valve, 4 bar pressure release valve, and 1kw immersion heater
    • Features non-return valve and 15mm barbed connections for easy plumbing
    • Dimensions: 550mm (L) x 340mm (W) x 350mm (H), weight: 10kg

    £579.99

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  • Surecal Single Coil Horizontal Mount Calorifier (15 Litres) HOR15SC

    In Stock

    • 15-litre single-coil calorifier heats water using engine cooling and a 240V immersion heater.
    • Made from copper, ensuring clean, sanitary water with excellent anti-bacterial qualities.
    • Insulated polyurethane jacket retains heat for up to 24 hours after engine shutdown.
    • Includes thermostatic mixer valve, 4 bar pressure release valve, 1kW immersion heater, and stainless steel mounting brackets.
    • Easy to install, with 15mm barbed connections for push-fit plastic plumbing.

    £534.99

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  • Surecal Single Coil Horizontal Mount Calorifier (30 Litres) HOR30SC

    In Stock

    • 30-litre capacity, single-coil calorifier for efficient water heating
    • Uses engine cooling and a 240V immersion heater for hot water supply
    • Made of high-quality copper with antibacterial properties
    • Insulated polyurethane jacket retains heat for up to 24 hours
    • Includes thermostatic mixer valve, pressure release valve, 1kW immersion heater, and stainless steel mounting saddles

    £639.99

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  • Surecal Single Coil Horizontal Mount Calorifier (40 Litres) HOR40SC

    In Stock

    • Provides efficient hot water heating for showers, taps, and galley use.
    • Uses engine cooling system and 240V immersion heater for versatile heating.
    • Made from copper, offering excellent antibacterial qualities and fast heat transfer.
    • Ensures desired water temperature by mixing hot engine water with cold.
    • Includes 15mm barbed connections, mounting brackets, and polyurethane insulation for heat retention.

    £689.99

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  • Surecal twin coil horizontal mount (40 litre) Calorifier HOR40TC

    In Stock

    • 40L capacity, designed for use in camper van conversions or boats.
    • Uses engine cooling system and a 1KW immersion heater for efficient hot water heating.
    • Copper construction with drop coil technology for excellent heat recovery.
    • Includes thermostatic mixer valve, pressure release valve, and stainless steel mounting brackets.
    • Available with single or twin coils, offering quick and easy installation.

    £744.99

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  • Surecal Twin Coil Horizontal Mount Calorifier (22 Litres)HOR22TC

    In Stock

    • 22L with twin coils for efficient heating.
    • Uses engine cooling and a 1kW immersion heater.
    • Made of copper for anti-bacterial properties and quick heat transfer.
    • Polyurethane jacket retains heat for up to 24 hours.
    • Thermostatic valve, pressure release valve, and stainless steel saddles.

    £634.99

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  • Surecal Twin Coil Horizontal Mount Calorifier (30 Litres) HOR30TC

    In Stock

    • 30L capacity with twin coils for efficient water heating.
    • Engine cooling system and 1kW immersion heater for hot water.
    • Copper construction for antibacterial properties and quick heating.
    • Polyurethane jacket insulation retains heat for up to 24 hours.
    • Includes thermostatic mixer valve, pressure release valve, and installation accessories.

    £669.99

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Surejust Calorifiers

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