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Friedrich P12B-A Limit Switch
One big reason why limit switches are designed that way is because if the air is not warm enough then the house will never get warm enough. A normal limit switch is a type of sensor switch located in the furnace that decides if and when the air is warmed to a point for the blower to be activated.
Signs of a bad limit type switch
- The heating and AC system refuses to start or will not stay running even though the desired temperature has not been attained
- The system is beginning to become unpredictable repeatedly
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If you decide on picking up or ordering, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct replacement limit switch is the one being purchased. The installing of a new limit switch is a breeze provided you possess the knowledge and have the tools to do it right.
Feel free to download your manual for help.
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