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Friedrich MW18Y3F Furnace Door Switch
The job of the furnace door switch prevents the fan and ignitor from starting so as to stop a potential explosion. It is vital that this part be replaced ASAP if it is defective.
Indications the switch on your furnace door will not last the year
- The system will not engage with the door closed
- The door switch is fallen off
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If you decide on picking up or ordering a new Friedrich MW18Y3F replacement part, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct furnace door switch is being ordered. You do not have to install the replacement part alone. Search for a pro in your community to hire and install the part for you.
Feel free to download your manual for help.
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