ggauth9664 Report post Posted December 21, 2021 1996 Damon Furnace blowing cold air. Already checked: Propane on Sail switch working Relay good Overtemp switch good Any other ideas would help Share this post Link to post Share on other sites
wildebill308 Report post Posted December 21, 2021 Welcome to the forum. Does the stove light (air in propane line). Sail switch working? Sometimes they move but don't close the contacts. Igniter sparking? Bill Share this post Link to post Share on other sites