All KP (Front-Loading Kiln Heater) furnaces have external blower motors.
These motors set outside of the air stream, and connect to the blower by means of a love joint and shaft.
The shaft has three additional bearing blocks. One on the outside and two on the inside to insure smooth operation.
The KP 150 models use our standard Honeywell Fan and Limit Controller.
The KP 250 models use an upgraded White Rodgers Fan and Limit Controller.
This controller handles fan operating temperatures up to 265 degrees and a limit temperature of 300 degrees.
Both the KP150-4000 and the KP250 -4000 have two Fan and limit controls; one for each of the two blowers.








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With rare exception, in the U.S., our boilers are for Businesses, shops, outbuildings, Pools and Hot Water heating only.
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8/1/25