Lennox 41K35 Valve Freon check for cracked tubing or

check for cracked tubing or a failed diaphragm within the switch housing

ensuring the proportional damper control returns to its normal position without external intervention

Can this switch be used in 24V circuits

Precision Calibrated Protection: Fixed 185°F cutout and 105°F differential prevent heat exchanger fatigue and potential stress fractures

Lennox 41K35 Valve Freon check for cracked tubing orThe 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