lennox g40uh(x) furnace how to clean sensor - http://www.hvacmechanic.com/ Forums
Original message
| glasshalffull
 |  "lennox g40uh(x) furnace how to clean sensor"
, posted Mon 10 Nov 10:09  
WHere can I find instructions on how to clean the flame sensor for this furnace. My furnace will ignite but the burners shut down right after they are all lit.
Thermostat calls for heat
Little Motor comes on and runs
Ignitor glows bright orange
Gas valve opens
Burners ignite for a split second
then the flame is killed to the burner
I'm guessing that it's probably the flame sensor, where can I find instructions to clean it?
thanks
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| tinner73
| "Re(1):lennox g40uh(x) furnace how to clean se" , posted Mon 10 Nov 16:27
clean w/ fine steel wool.
union trained in Chicago
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