Lennox 41K35 Valve Freon check for cracked tubing or

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

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

Can this switch be used in 24V circuits

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

The Cv 14 rating and equal percentage flow characteristic ensure accurate modulation

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