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Lennox OF25-105 Limit Switch
The limit switch has a sensor in the air handler that determines when the air is warm enough so that it may be pushed through the ducts and out the vents. One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Indications limit switch will not live much longer
- The Lennox system begins to runs spotty often
- The heating and cooling system refuses to start or continue to run like it is supposed to
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If you are going to be buying or purchasing, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the correct limit switch is the one being purchased. The installing of a new limit switch is a breeze assuming you energy and have the proper tools to do it right.
Feel free to download your manual for help.
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