AUTOTERM Flow 14 – Boat Diesel Liquid Heater – 14kW – Heater Only


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AUTOTERM Flow 14 Boat Diesel Liquid Heater 14kW

Important notice! Do not use this 14kw boat diesel heater on undersized installations. Diesel heaters need the combined radiator output to match the heater output. Undersized installations will cause damage to the diesel heater. This type of damage is not covered by the manufacturer’s warranty. Email us at if you are unsure that this heater is suitable for your boat.

This 14kw diesel liquid heater can supply a central heating system and provide hot water via a calorifier. Autoterm heaters are of excellent build quality and offer low fuel consumption and minimal noise. Autoterm also say that you can use the appliance as your main heat source and still offer a 3-year warranty at unbelievably low prices.

  • Voltage – 12V
  • Heating medium – Coolant-antifreeze coolant
  • Heating power – 14 kW
  • Control panels – PU-27 Included as Standard, Comfort Control with Thermostat, or Modem
  • Heater dimensions – 220x90x136 mm

The heater always comes with:

  • Heat insulation
  • Control panel PU-27
  • Rubber fuel pump clamp
  • Fuel pump
  • Cable wiring
  • Air Intake silencer
  • Exhaust 1m
  • Mounting bracket

Optional Extras:

  • Comfort Controller with Room Thermostat
  • Header Tank
  • Calorifier
  • Expansion Vessel
  • Marine Exhaust
  • Through Hull Skin Fitting
  • Fuel Tank
  • Fuel
  • Filter
  • Marine Fuel Line Kit
  • Mixer Valve
  • Convector Radiators
  • Stainless Steel Coil Calorifier

This listing is for the basic heater set only.  Please see the Planar Flow 14kw Fully Customisable Kit page to add additional extras.

If you would like this diesel heater fitted by a professional and certified marine heating engineer, please contact our sister company Marine Heating Solutions.


Autoterm Flow Installation Manual

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