Category: Heater Maintenance & Troubleshooting

When troubleshooting, use soapy water. Find and stop ALL bubbles before you move on! Bubbles mean a loss of air pressure and reduced fuel delivery. These heaters are not

The heater will run as long as the control valve is pressed. According to DESA test these parts. NOTE: Not all heaters are equipped with

Annual Replacement Recommended PP212 Unplug heater Remove upper shell and plastic fan grill(if equipped) Remove fan For kerosene models, disconnect air line, fuel line Disconnect

First, this test can be dangerous if you are not familiar with electricity. Don’t attempt if you are not experienced- see a professional! Remove the

Air Output, Air Intake, and Lint Filters Remove upper shell Remove filter end cover screws using 5/16″ nut driver Remove end cover Replace air output

Annual Replacement Recommended PP211 Unplug heater Remove upper shell and plastic fin grill(if equipped) Remove fan(except on 350 or 600 models) Disconnect spark plug wire