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International Comfort Products PGMD42G0606 Limit Switch
Limit switches were created because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch has a sensor located in the furnace that determines if and when the air is actually warm enough to activate the main blower.
What symptoms are present when the limit switch is in need of replacing?
- The HVAC system starts to behave erratically on a regular basis
- System will not begin or run longer than a minute
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Before buying or purchasing any International Comfort Products PGMD42G0606 replacement part do your best and cross-check the model number and also make a visual inspection in order to be sure the correct limit switch is being ordered. There is no rule that says you have to install the replacement part alone. Hire someone with experience in your town or city to replace the part.
Feel free to download your manual for help.
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