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Friedrich P12B Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and other risky devices from turning on so as to avoid injuries. You should really have it switched out as quick as you can if it is damaged so as to prevent something bad happening.
Some warnings of a barely functioning safety switch on the furnace door
- The furnace will not begin with the door closed
- The safety door switch is broken
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If you decide on picking up or ordering any Friedrich P12B part do your best and double check the model number as well as make a visual inspection in order to be sure the right furnace door switch is being ordered. There is no rule that says you have to install the replacement part alone. Hire someone with experience in your area to pay to install it for you.
Feel free to download your manual for help.
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