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Lennox HPXA12-036 Limit Switch
This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. The limit switch contains a sensor in the heat exchanger that can determine if and when the air is warmed to a point that it can be circulated throughout the house.
What are the indications that my limit switch most likely is almost going bad?
- The whole system is beginning to run erratically time after time
- The heating and cooling system will not start nor will it stay running even though the desired temperature has not been attained
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If you are going to be buying or purchasing any Lennox HPXA12-036 replacement part do your best and double check the model number and also make a visual inspection so that you are positive that the proper replacement limit switch is being ordered. The installing of a new limit switch is a piece of cake provided you know what you are doing and have the tools to do it right.
Feel free to download your manual for help.
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