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Carrier RHR Furnace Door Switch
A furnace door switch is a safety feature that inhibits the vent fan and other risky devices from starting so as to avoid injuries. You should really have it replaced as soon as you can if it is not working in order to prevent injuries.
Important signs your safety switch on the furnace door will die soon
- The switch looks as if it has been stuck
- The whole system will not begin with the door closed
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