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duct heater
a faulty toggle switch is likely failing to close the electrical circuit
This control has a high limit of 450 PSI and an adjustable range starting at 150 PSI to accommodate various refrigeration cycle requirements
The selector typically connects to terminals 1
making it an essential component for building automation systems (BAS) and Metasys environments
Lennox 52M42 Limit Switch Refrigerant duct heaterThe Lennox 52M42 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces. As a genuine Lennox OEM replacement part, this 180 40F auto limit switch is engineered to monitor heat exchanger temperatures, effectively preventing hazardous overheating and potential equipment damage. This furnace high limit switch features a fixed set point of 180F for the opening temperature and an automatic
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