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Lennox HPXB15-042 Limit Switch
The reason limit switches exist is 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. The limit switch is a type of sensor switch in the heating area that decides if and when the air is actually warm enough so that it may be pushed through the ducts and out the vents.
Easy warnings limit type switch is in dire need of a replacement
- Your Lennox system will not begin the ignition sequence or continue to run longer than a minute
- The HVAC system is beginning to runs uneven from time to time
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Before buying or purchasing any Lennox HPXB15-042 part, do your due diligence and cross-check the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. You do not have to install it yourself. Pay a professional in your town or city to do the job for you.
Feel free to download your manual for help.
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