Quote:
Originally Posted by THenne1713
The SAFETY SAIL SWITCH senses airflow, (or lack of) and shuts off gas to prevent overheat. IF BATTERY CHARGE Low/ defective, Fan runs SLOW, SAIL shuts off gas to prevent OVERHEAT; since you get heat, 1) suspect problem with BATTERY/ CHARGE/ LOW VOLTAGE? 2) ALSO Make sure TANK VALVE FULLY OPEN, if not, flame maybe failing after GAS PRESSURE falls off?
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In addition to this, shut the propane tank OFF, run furnace then
turn propane tank valve on SLOWLY the in tank safety valve may not be allowing 100% flow.