Lennox 97L01 Limit Switch R-407A do not bypass it

do not bypass it

including MGC2 and PGC2 series condensing and non-condensing units

Use a calibrated pressure gauge at the test port to verify the 13 to 25 Psig supply and adjust the dials to match the building’s thermal load requirements while maintaining the minimum 5 Psig deadband

facilitating a seamless furnace repair

providing a necessary solution for field technicians when the gas control inlet or outlet needs to be downsized to match the existing manifold or supply piping

Lennox 97L01 Limit Switch R-407A do not bypass itThe Lennox 97L01 Limit Switch is a critical OEM replacement part engineered for precise thermal regulation in Lennox gas furnaces and air handlers. This L200 30F limit switch is designed to open the electrical circuit if the heat exchanger temperature exceeds its 200F setpoint, preventing mechanical failure and ensuring safe combustion cycles. With a 30F differential for automatic reset, it provides consistent high limit protection and prevents