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Mitsubishi PKA-A18HA Furnace Door Switch
The furnace door switch prevents the fan and burner from starting so as to stop a potential explosion. You should have the switch be replaced as soon as you can if it is defective.
Important red flags of a dying safety switch on the furnace door
- The whole system will not engage even when you close the door
- The safety door switch looks like it is bent badly
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If you decide on picking up or ordering any Mitsubishi PKA-A18HA replacement part, do your due diligence and double check the correct model as well as make a visual inspection in order to be sure the right furnace door switch is the one being purchased. Once you have the part to install the part by yourself. Search for a pro in your area to do the job for you.
Feel free to download your manual for help.
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