"> ENWA Marine Hot Water Calorifier 750L Marine
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ENWA Marine

Hot Water Calorifier 750L Marine

ENWA Marine Hot Water Calorifier 750L Marine is identified in the source list as a hot-water calorifier. It is installed in the domestic freshwater heating system and connected to cold-water supply, hot-water distribution and the vessel's heating medium or electric elements. Its purpose is to store and heat freshwater for accommodation, galley, sanitary or hotel-service use. The source record provides the existing record note '0.8 m³/h capacity'. The pressure vessel, heating coil or electric elements, thermostat, safety valve and circulation connections form the calorifier. The exact model designation and any source-listed volume or heating power distinguish storage capacity and heat input from neighboring units; refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

capacity m3h 0.8
treatment type Heat Exchange
uv dose mj cm2 0

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Common failures & inspection points

●Heating-coil or element failure caused by scale, corrosion or electrical faults, resulting in slow or absent hot-water production
●Thermostat or temperature-sensor failure caused by drift or wiring faults, resulting in unstable water temperature or overheating protection
●Safety-valve or expansion problem caused by scaling, blockage or pressure faults, resulting in discharge, pressure fluctuation or leakage
●Tank or connection corrosion caused by water chemistry or coating deterioration, resulting in visible leakage or rust contamination
●Circulation-pump or check-valve failure where fitted caused by wear or blockage, resulting in poor hot-water circulation and temperature complaints

Service & Maintenance

Inspect vessel, heating elements or coil, thermostat, safety valve, drains, insulation and circulation connections. Check for scale, corrosion and leakage and maintain water treatment appropriate to domestic service. Verify temperature control and safety devices using approved procedures. Inspect electrical terminals where heaters are fitted and ensure pressure relief is not isolated. Investigate repeated safety-valve discharge or slow heating. Refer to the manufacturer documentation for the exact figure for pressure, temperature, element and inspection limits.

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Replacement Parts

Keep thermostats, temperature sensors, heating elements where fitted, safety-valve service parts, gaskets, circulation-pump seals and manufacturer-recommended anodes where applicable. Pressure-vessel repairs must follow approved procedures. Confirm all wetted parts are suitable for potable water.
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Equipment Model #113446 · ✓ still in production