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International Comfort Products PGMD36G0604 Limit Switch
One big reason why limit switches are designed that way is because if the warmed air is too cool then the house will never get warm enough. The limit switch contains a sensor in the heat exchanger that can determine if and when the air is warmed to a point to activate the main blower.
Major symptoms main limit switch is dead
- The heating and cooling system refuses to start nor will it stay running as it should
- Your system is beginning to go through the startup sequence but stops quickly on a regular basis
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Before you decide on buying or ordering any International Comfort Products PGMD36G0604 part do your best and cross-check the model number and also make a visual comparison in order to be sure the correct replacement limit switch is being ordered. Some pros can be expensive so you could call around to find a good deal if you want to pay bottom dollar.
Feel free to download your manual for help.
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