and AF80/AF90 series units

then drive the actuator open or closed by pulsed signals to Terminal 3

What causes this hi-limit switch to trip

This genuine Raypak replacement part

Leaks typically occur due to over-tightening

Lennox 83M56 Induced Motor Assembly R-410A and AF80/AF90 series unitsWhen you are troubleshooting a pressure switch lockout on a Lennox G43 or G51 series furnace, the Lennox 83M56 Induced Motor Assembly is often the critical component required to restore proper draft. This genuine OEM assembly is a high performance draft inducer motor designed to facilitate clean combustion by pulling air through the heat exchanger and venting flue gases safely. Operating at 120V AC and 3400 RPM, this 1 20 HP combustion air blower