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Heat Controller HTD Limit Switch
The limit switch contains a sensor in the heating area that makes the determination when the heated air is actually warm enough so that it may be pushed through the ducts and out the vents. A limit switch was crafted because if the air never warms up then you will never get hot air through the ducts.
Major clues main limit switch is in dire straights
- System will not start nor will it stay running longer than 30 seconds
- The whole system is beginning to ramp up but then stops more than once
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If you are going to be buying or purchasing a replacement limit switch for your Heat Controller HTD, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the correct limit switch is the one being purchased. The installing of a new limit switch can be quite easy if you have the know-how and have the tools to get it done.
Feel free to download your manual for help.
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