This filter kit also fits many other heaters from 80,000 BTU thru 200,000 BTU including Sears Heaters, Dayton Heaters, Co-Op Heaters, Dart Heaters, Cenex Heaters and more.
There are 2 filter kits for this size heaters which are the same except for the fuel filter.
Low Pressure Kerosene Heater Air & Fuel Filter Installation Instructions
This type of fuel filter is located inside the fuel inlet tube at the burner assembly. Unthread the fuel inlet line and gently bend it away far enough to pull the filter out of the tube. Note: you do not have to remove the burner head to do this.
Correct Pump Pressure is crucial for your heater to run properly