Lennox 41K35 Valve Els PW 17895 this 170 degree limit switch

this 170 degree limit switch provides the precise thermal response required to maintain system integrity and prevent furnace short cycling or overheating

This HVAC control board interfaces directly with the defrost sensor (DFT) and 24V contactor circuit

With a 0-50 PSI operating pressure range

verify the hot surface igniter resistance (typically 70–100 ohms) and clean the flame sensor to ensure the board receives a proper microamp signal

The White-Rodgers 1F97-1277 is a trade-grade programmable touchscreen thermostat from the 90 Series Blue collection

Lennox 41K35 Valve Els PW 17895 this 170 degree limit switchThe Lennox 41K35 Valve is a professional grade 24V natural gas valve designed for precision fuel regulation in residential and commercial heating systems. This slow open gas valve features a 1 2" I. P. inlet and outlet, engineered to provide a controlled ramp up of gas flow that prevents hard ignitions and reduces stress on the heat exchanger. As a critical HVAC replacement part, the 41K35 is the direct factory authorized replacement for legacy models