Coolant Heater Kit Model PH51 5kW 12V Diesel c/w 7 day PROGRAMABLE timer


Coolant Heater Kit, Model PH51, 5 kW 12V, Diesel, comes with 7 day PROGRAMABLE timer (Internal water pump) LEARN MORE


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The PH51W water heaters are designed to be used as auxiliary engine heaters for trucks, RVs, boats, construction and farm equipment. In extreme cold temperatures, the heaters will keep the engine warm and also eliminate cold engine starting problems without the necessity of engines idling or frequent startups.In addition, the heater will provide heat to keep the operator cabin or sleeper berth warm and comfortable for a fraction of the cost in comparison to engine idling.

Compact design, low volume, easy maintenance, safety protection, auto self diagnosis, 7-day timer, low exhaust emission and low operating cost make this heater ideal to use in trucks, boats, farm and construction equipment.

  • Coolant Heater Kit, Model PH51
  • 5kW
  • 12V
  • Diesel
  • 7 Day Programmable Timer


Kit Includes: 


Coolant Heater Performance Specifications:

Heating Modes: High | Low

Heating Capacity: High 4.2 kW/hr (14,400 BTUs/hr) | Low 2.2 kW/hr (7,500 BTUs/hr)

Fuel Consumption: High 0.51 L/hr (0.13 US Gal/hr) | Low 0.25 L/hr (0.06 US Gal/hr)

Power Consumption (watts): High 52 | Low 27

Power Consumption at Start (watts): 120

Lower Voltage Limit: 10.2 Volts over 20 seconds 

Upper Voltage Limit: 16 Volts over 20 seconds 

Water Capacity of Heater: 0.046 Gal. (0.175 L)

Water Through-put Capacity: 225-265 US Gal/hr – 850-1000 L/hr (approx operational pressure 10Kpa)

Fuel Type: Diesel

Nominal Voltage: 12 Volt

Allowed Ambient Temperature: -40° C to 80° C (-40° F to 176° F)

Weight: 3.1 kg (6.8 lbs)

Above Specifications (± 10%)



Additional information

Weight 10 kg
Dimensions 60 × 38 × 20 cm


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