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Lennox HPXB15-060 Limit Switch
This is important because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch in the heating area that determines when the heated air is warm enough that it can be circulated throughout the house.
Signals main limit switch has very little life left
- The heating and cooling system refuses to start or will not stay running as it should
- Your system is beginning to ramp up but then stops occasionally
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