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block heater

an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for block heater
  • The block heater shall be sized properly to carry the correct wattage and voltage for the engine chosen by the generator supplier.
  • Before energizing a block heater, run the engine until warm and refill the radiator to purge air from the system.
  • Replace any leaking coolant gaskets, check block heater and repair any leaks.
  • My customer wants me to install a receptacle in her free-stall barn for a tractor block heater.
  • The fuel then flows through a heated section which is maintained at the chosen test temperature by the thermostated block heater.
  • Engine shall be equipped with dry type air cleaner, cold start aid and block heater.

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