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Trane PTHD090 Furnace Door Switch
The furnace door switch prevents the fan and burner being triggered to start in order to prevent injury and fire. You should really have it swapped out quickly if it is damaged so as to prevent something bad happening.
What are the signs that the safety furnace door switch is in need of a replacement?
- The system will not run even when you close the door
- The furnace door switch looks like it is stuck
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