verify that the flame rectification signal is at the manufacturer's specified level to prevent soft-lockout cycles

The 902816 is designed for use in specific M-series gas furnaces and E-series electric furnaces

Confirm the original motor part number and check the equipment model

this genuine OEM Lennox part ensures precise refrigerant metering to maintain target evaporator superheat across varying thermal loads

enabling fast head replacement without breaking pipe connections

Watts 0881429 Gasket 321894-708 verify that the flame rectificationThe Watts 0881429 Gasket (Model GB E) is a high performance EPDM dielectric union gasket specifically engineered for 1. 5 inch Watts 3001 series union assemblies. This specialized 1. 5 inch hi temp gasket is critical for technicians maintaining commercial or residential steam and hydronic piping systems where preventing galvanic corrosion is a priority. Designed to effectively interrupt electrical continuity between dissimilar metals, the Watts