Mookie260
Dec 7, 2013, 05:47 PM
Furnace lights all tubs have flame blow for few seconds then cuts off blower works when just cut fan on
ma0641
Dec 7, 2013, 06:15 PM
Could be the flame sensor, remove and polish with medium steel wool. Could be a high temp sensor. Could possibly be a roll out switch. Does the heater restart and then cycle again?