SF-42 Suburban Furnace
My furnace started acting up to where the fan runs for a few seconds, but will not ignite. Now I realize that it could be several things wrong that would cause that such as the board, sail switch a...
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Before you pull it check your propane pressure. Mine, a SF 45 wouldn't ignite and would go through the 3 cycle of trying. Turns out low propane pressure due to bad regulator.
