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International Comfort Products H9MPT075F14A2 Furnace Door Switch
A furnace door switch is a switch that stops the fan and burner being triggered to start so as to stop a potential explosion. It is extremely important that the device is exchanged for a new one at once if it is not working in order to prevent injuries.
Red flags the safety door switch is failing
- The system will not operate whether the door is open or closed
- The door switch looks like it is bent badly
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