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Lennox G61MPV Limit Switch
Limit switches are crucial because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the air handler that makes the determination if and when the air is warmed to a point to activate the main blower.
Simple warnings that your critical limit switch is in need of a replacement?
- The whole system is starting to run erratically occasionally
- The HVAC system refuses to start or run well longer than 30 seconds
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