Lennox 36K29 Limit Switch Refrigerant 11 cc pump for consistent

11 cc pump for consistent mass flow and rapid pull-down

this model uses a single tip style (target type)

You must verify the model and serial number against the OEM parts list to ensure the burner manifold and mounting flange align with your current cabinet

5°C to -11

Lennox 36K29 Limit Switch Refrigerant 11 cc pump for consistentThe Lennox 36K29 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and light commercial gas furnaces. This furnace high limit switch features an auto reset function, calibrated to trip when plenum temperatures reach the 210 240F range. When an overheat condition is detected, the switch opens the electrical circuit to the gas valve, immediately terminating the heating cycle to protect the heat exchanger