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SmartGen HWP22 Forced Circulation Heater

* All prices on this website are retail in USD on EXW incoterms


Product Overview:

HWP22 is an intelligent forced circulation engine heater.

If the outside temperature is lower than 4ºC, engine coolant or lubricant may condense into solid state and lose their lubricating and cooling properties during cranking, which can damage the engine. Thus heater should be installed to ensure normal starting and running of the engine.

It has light indicator function that can indicate various status of the heater. It also has three gears heating temperature can be set and dry burning and overheat protection functions.

This product is suitable for engine with a displacement of less than 15L.


1. Two-way high-precision temperature sensor sampling is adopted and heating temperature can be set via control panel;
2. Independent control of water pump and heater, which optimize working sequence and prolong the heater lifetime;
3. Separate control of water pump and heater: power on the water pump and then power on the heater after 5s, once the set temperature has reached, heater will be powered off firstly, after 60s, following is water pump. The goal is to prevent heat concentration and prolong water pump lifetime;
4. Manually test whether the heater and water pump are normal or not via panel button;
5. Fine cast aluminum enclosure;
6. Stainless steel inner pipes;
7. There is a water drain valve on the bottom of the heater so as to be used when needed;
8. This product can work normally at -40ºC temperature.

Why SmartGen?

  • More than 200,000 units yearly
  •  19 years of successful business
  • More than 50 offices worldwide
  • Almost 200 technology patents
  • ISO, GM and CCSR certificates
  • High quality and low prices
  •  Wide variety of generator parts


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