Forum Discussion
jmhartley11
Nov 26, 2018Explorer
On my rig I open the propane valve, switch the thermostat to furnace. Fan comes on, but no heat. I have a switch on my control panel with the pump that says "gas". I must flip this switch before the propane works the furnace. Everything works and heats fine. You may have a switch located somewhere that you must turn on.
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