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Carrier 38QRF036 Furnace Door Switch
A furnace door switch is a switch that stops the fan and ignitor from activating so as to stop a potential explosion. Do not waste time and have it swapped out as soon as you can if it is damaged so as to prevent something bad happening.
Some warnings to watch for in a bad safety door switch
- The HVAC system does not run whether the door is open or closed
- The safety door switch appears to be removed
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