Question about Honeywell L4064B2236 Fan/Limit Control Heater
I am trying to replace the fan&limit stat control,length 8" which has a red button& a white button. the only one i can find has only a white button. can you help please
Okay, the red button is a manual reset that is the heat enchanger gets to hot it opens the safety cicruit. The new one does not have the red button so therefore it will automatically reset itself once the temperature of the heat exchanger cools down. Once you install the new one verify the control shuts the unit down. The easiest way for you to do this is to cover the return grilles with a plastic bag with a little tape to hold it to the grille. Then start the heat cycle and observe the furnace operations. There should be a little tab near the 200 degree temp. once it gets to the 12 oclock point the burners should shut down. If it shuts down properly pull plastic bags off returns and satisfy tstat. now turn heat on again and observe what temp the blower comes on
Posted on Jan 28, 2009
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Posted on Jan 02, 2017
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