Question about Intertherm P3RA-048K Air Conditioner
I have a intertherm furnace model #m1mb77ab its alittle over 2 years old sometimes the flame will not ignite it the red light flashes 1 time meaning limit switch is open sometimes it flashes 2 times meaning pressure switch is open were are these located
How often do you replace your filter?
On the limit switch that protects your unit when it gets to hot the number one reason is dirty filter.
The pressure switch is located in the upper side of cabinet has a rubber hose connected to it. They very rarely go out though. So find your vent fan the first fan that comes on and follow the rubber hose to the switch.
Posted on Feb 11, 2009
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Posted on Jan 02, 2017
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