the 1751-025 is specifically calibrated for the 722 series gas valves

Common Questions & Technical Support What is the purpose of the automatic ball checks in the 20-251 series

maintaining accurate temperature control with a minimum flow rate of 0

This specific model is rated for a maximum operating pressure differential of 15 PSI when used with fuel gas

What should I check if the module is clicking but the burner won't light

Lennox 35K73 Gasket 322838-752 the 1751-025 is specifically calibratedThe Lennox 35K73 Burner Gasket is a critical sealing component engineered for high temperature resilience in residential and commercial gas fired systems. Designed as a high performance flange gasket, this part establishes a robust seal between the burner assembly and the heat exchanger or orifice plate. By preventing the bypass of combustion gases and minimizing heat loss, the 35K73 ensures the pressure switch detects proper drafting while