Description
The P51W 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, 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
P51W Coolant Heater Performance Specifications:
| Heating Medium | Water / Ethylene Glycol Mixture |
| Fuel | Diesel |
| Heating output | High – 5.0 KW (17,060 BTU)
Low – 2.2 KW (7,500 BTU) |
| Fuel Consumption | High – 0.61 L/hr (0.16 US Gal/hr)
Low – 0.25 L/hr  (0.07 US Gal/hr) |
| Rated Voltage | 12 VDC or 24 VDC |
| Power Consumption
Watts |
High – 53W
Low – 27 W Startup – 120 W |
| Operating Voltage Range | Minimum Voltage: 10.2 V or 21V
Under-voltage protection will shutdown the units when the voltage drops to this value Maximum Voltage: 16 V or 32V Over-voltage protection will shutdown the units when the voltage reaches this value |
| Allowable Operating Pressure | 1 bar (15 PSI) |
| Water Capacity (Heater) | 0.175 L (0.046 US Gal) |
| Water Through Capacity | 850-1000 L/h (225-265 US Gal/h)
At 10 Kpa Operational Pressure |
| Minimum Water Through-put | 240 L/h (63.50 US Gal/h) |
| Allowable Ambient Temperature | -40°C to 80°C
-40°F to 176°F |
| Dry Weight | 3.1 kg (6.8 lbs) |
Above Specifications (± 10%)
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