propane difference in heaters question
Ran out of propane last night. Noticed a difference in our old and newer heater. On our old propane heater (early 90's) the heaters pezzo matic striker thing would continue to click until thermost...
Forum Discussion
Chris Bryant wrote:
They changed to a fan control board, old style would blow cold forever, new style shuts blower off if there's no flame.
I think he meant the Piezo would click forever after loss of flame or LP. It sparked until he either shut the wall Tstat OFF or got LP and allowed the furnace to light the flame. IF this is the case, NO correctly functioning Furnace will continue to spark the electrode if NO flame. It should lock out. The fan may stay running but the Piezo should shut off. If it continued sparking he had a defective Ignition module. Doug
