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International Comfort Products TCH430AKA1 Furnace Door Switch
A furnace door switch is a switch that blocks the fan and ignition sequence from switching on so as to avoid injuries. It is important to get the part traded for new one as quick as you can if it is causing you problems.
What are the signs that the switch on the furnace door really needs to be replaced?
- The door mechanism looks broken completely
- The HVAC system will not start even with the door closed
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