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Lennox OF24-140 Limit Switch
Limit switches are crucial because if the warmed air is too cool then the house will never get warm enough. A normal limit switch is a switch in the heat exchanger that determines when the heated air is warm enough so that it may be pushed through the ducts and out the vents.
Main clues critical limit switch is not going to last much longer
- The system is starting to run inconsistently occasionally
- The HVAC system refuses to kick in nor will it stay running like it should
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Before you decide on buying or purchasing any Lennox OF24-140 part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. HVAC pros could be quite expensive to hire so you may want to keep a lookout locally to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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