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International Comfort Products T8MPL075B12A1 Furnace Door Switch
A furnace door switch is a switch that stops the fan and ignitor from activating so as to avoid injuries. Do not try to fix it, just have it swapped out as quick as you can especially if you think it is defective.
Important signs the safety door switch has very little life left
- The whole system does not run whether the door is open or closed
- The switch appears to be not there
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