Lennox 36K28 Limit Switch Refrigerant the internal bimetal disc is

the internal bimetal disc is likely fatigued or damaged

3") that fits seamlessly into existing control cabinets

In a double block and bleed system

which is essential for maintaining correct subcooling and head pressure levels in the refrigerant circuit

As a veteran-grade OEM component

Lennox 36K28 Limit Switch Refrigerant the internal bimetal disc isThe Lennox 36K28 is a critical safety component designed for precise thermal regulation within residential and light commercial Lennox furnace systems. This automatic limit switch is engineered to monitor heat exchanger temperatures, effectively interrupting the burner circuit if internal conditions exceed the safety threshold. Operating with a fixed range of 160 190F, it provides a vital fail safe against overheating caused by restricted airflow or