Can you run furnace without blower?
Can you run furnace without blower? All newer furnaces(at least most) have to have the fan blowing air over the "sail switch" before the propane valve will open and light the burner. It's a safety thing. Re: Run furnace without fan ?? The short answer is no. Can a gas furnace explode? Although it is possible for a gas furnace to either catch fire or explode, it's highly unlikely. If there is a danger of this happening, the furnace will usually simply shut off—as it's designed to. If you've got a good furnace and take care of it, you won't...