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Carrier 50JX-042 Limit Switch
The limit switch is a switch in the heating area that senses, or governs, when the air is actually warm enough so that it may be pushed through the ducts and out the vents. Limit switches were created due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts.
Symptoms critical limit switch will need replacing
- System is unable to start or will not stay running as it should
- The whole system is beginning to ramp up but then stops on a regular basis
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If you decide on picking up or ordering do your best and cross-check the correct model and also make a visual comparison so that you are positive that the right limit switch is the one being purchased. Once you have the part to install it yourself. Hire a pro in your community to replace the part.
Feel free to download your manual for help.
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