Lennox 97W45 Limit Switch 320074-702 refer to your valve body’s

refer to your valve body’s nameplate specifications for fluid temperature limits

this 1/4 HP condenser motor operates at 1100 RPM on a 208-230V single-phase circuit

As a NEMA 1 rated device

allowing technicians to restore system performance and reliable ignition sequences in mobile home heating applications

This HVAC time-delay fuse provides superior short-circuit protection for branch circuits

Lennox 97W45 Limit Switch 320074-702 refer to your valve body’sThe Lennox 97W45 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a normally closed thermal switch, this L140 30F secondary limit monitors heat exchanger temperatures to prevent overheating and potential heat exchanger fatigue. With a fixed temperature setting of 140F and a 30F differential, this Lennox high limit sensor ensures a reliable cutout when