ensuring dependable furnace ignition even in demanding conditions

It helps regulate the electrical characteristics of the drive circuit

Field-Serviceable Design: Includes 1/4" quick-connect terminals and top-facing pilot outlets for streamlined technician access

making it compatible with standard industrial and commercial power supplies

ensuring compatibility with modern high-pressure refrigerants and thermal cycling typical in commercial and residential split systems

Lennox 10F31 Restrictor Assembly 321042-401 ensuring dependable furnace ignition evenThe Lennox 10F31 Restrictor Assembly is a high precision refrigerant metering component engineered for Lennox HVAC systems, including residential air conditioners and heat pumps. This OEM Lennox part (MPN 103893 01) is critical for maintaining the correct pressure drop across the evaporator coil, ensuring optimal refrigerant flow management and system thermal efficiency. Designed as a rugged fixed orifice metering device, the 10F31 is a reliable