74212 Gas Dryer

74212 Gas Dryer
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High limmit cut off sensor Kenmore Gas Dryer

I purchased a high limit temperature cut off sensor installed it and used for four times the unit is bad again. Is there any other sensor or capillary tub type of sensor that could be used in this application? My sensor is located on the burner outlet tube mounted about ¾? above the tube with a hole in the tube below the sensor. The dryer reaches a temperature of 120degrees FH and drops down to 107 degrees FH before the burner comes on. When the high sensor is by passed the temperature drops to 120 degrees and shuts off at 158 degrees. This is the second sensor I have installed in the last th

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74212 Gas Dryer

Product Troubleshooting for 74212 Gas Dryer



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Answers :


This sensor on gas dryers is intended to protect you from catching your clothes or lint on fire if you have air flow that is too low. The fact it keeps going off likely means you have a problem in the airflow either INSIDE the dryer (filter, blower wheel or piping) or in the venting outside the dryer. If not inside the dryer you may have a kink in the hose as you push the dryer to the wall, the vent that travels in or through the wall is clogged with lint, debris, birds nests, etc, or you have a cap or screen at the end of the pipe on the outside wall or on the roof which is not opening or is clogged.The easiest test for this is to be sure the problem is not inside the dryer and then route the disconnected vent pipe from the rear of the dryer through the nearest window for a few days to eliminate the house piping as a problem. Good luck
If you change the HL thermostat then u should change the operating thermostat and or thermal fuse hope that helps
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