Fireye MB-600L Module 326058-756 it includes a 5/8 inch

it includes a 5/8 inch shaft and is designed for band mount configurations

the 1171051 is the official superseding part number for the LA21RB552

the rear mating surface to the furnace heat exchanger may require a separate gasket or a professional-grade high-temp silicone sealant to ensure an airtight seal

Smith 100166697 Venter Assembly is a critical OEM replacement part designed for high-efficiency commercial and residential water heaters and boilers

Fireye MB-600L Module 326058-756 it includes a 5/8 inchThe Fireye MB 600L Module serves as a direct MicroM logic replacement module, engineered for industrial boilers and commercial combustion systems. Designed for use with the Fireye MicroM flame safeguard series, this chassis mounted component manages essential timing and control functions, including pre purge timing and ignition sequence parameters. As a critical flame safeguard controller part, the MB 600L ensures precise execution of the startup