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Goodman DHS Limit Switch
A normal limit switch contains a sensor in the heating area that can determine when the air is warmed to a point to activate the main blower. Limit switches are crucial because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Key clues of a failing critical limit switch
- The heating and cooling system will not begin the ignition sequence or continue to run longer than 30 seconds
- The HVAC system starts to erratically time after time
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If you are going to be buying or purchasing any Goodman DHS part do your best and cross-check the correct model and also make a visual inspection so that you are positive that the correct replacement limit switch is being ordered. The installing of the limit switch can be quite easy provided you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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