Products » HK500 LP/NG Heat King


Ground Thawing Capacity 11,200 ft²
Concrete Curing Capacity 22,400 ft²
Temporary Heating Capacity 15,000 ft²
Heater Capacity 351,000 BTUH (NG), 417,000 BTUH (LP)
Field Hoses 8 - 700 ft
Run Time 3 days +
Length (From Hitch) 165 in
Width 84 in
Height 86 in
Manifolds (Supply & Return) 8 - 5/8" & 1 - 1 1/4" quick connect
Electrical Requirements 2 - 120V AC 20A Circuit
Glycol Tank Capacity 130 US GAL
Fuel Tank Capacity 59 US GAL
Weight (Fuel Tank Full/Empty) 6,000 lbs
HK500 Heat King

The HK500, the most powerful of the Heat King family, is now available with LP/NG. This unit was designed with big jobs in mind. Quiet and efficient, yet powerful enough to thaw 11,200 ft2 of ground, cure 22,400 ft2 of concrete or provide temporary heat for up to 15,000 ft2.

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The control panel features large, easy to use switches, digital supply and return temperature controls with warning and operation lights for all components. The entire system is protected by a ground fault interrupt breaker, a large emergency stop button, and is CSA certified for safety assurance.

Propane or Natural Gas FiredPropane or Natural Gas Fired
The HK 500 is now available in Propane and Natural Gas set-ups. These clean burning fuels are even more reliable than the legendary oil fired Heat King systems. Because of their quiet operation they are perfectly suited for residential applications. For even more versatility the burner assemblies can be quickly changed from one to the other.

he HK500 LP/NG features Double Loop Technology
By using shorter hoses, more fluid, and higher efficiency pumps with increased flow, the Heat King provides more consistent temperature to the field for better concrete curing and ground thawing results.