single unit

This unit is a direct technical equivalent to the DHY0111

What power supply is required for operation

Integrated Locking Collar: Provides a secure mechanical hold to prevent axial movement and shaft scoring

This relay is the professional-grade direct replacement for R8222B1067/U

Williams 12B40 Observation Door 322055-301 single unitThe Williams 12B40 Observation Door is a critical OEM replacement part designed for high performance direct vent and gravity fed wall furnaces. This assembly, also commonly referred to as a peep hole cover assembly, provides technicians with a secure access point to monitor the pilot flame and combustion status without compromising the envelope of the combustion chamber. Engineered for a precise fit, the kit includes the durable observation door, a