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Friedrich MW09Y3FM Limit Switch
A normal limit switch is a type of sensor switch in the heating area that decides when the heated air is warmed to a point to activate the main blower. This is important due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
Major indications limit type switch is failing
- Your Friedrich system will not initiate or run well longer than a minute
- The whole system begins to act weird frequently
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If you decide on picking up or ordering any Friedrich MW09Y3FM replacement part, do your due diligence and cross-check the correct model as well as make a visual comparison in order to be sure the right limit switch is being ordered. There is no need to install the replacement part alone. Hire someone with experience in your community to do it for you.
Feel free to download your manual for help.
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