Posted 1/23/2025 21:14 (#11070788 - in reply to #11070702) Subject: RE: Knipco heater
SC Iowa
Mine the other day was the air pump, acted much like yours, the filter had been gone for years and I figured out the veins in the air pump were worn. Took them out and flipped them around to a new surface and it has been fine since.
Knipco heater
