Horizontal units require a dedicated horizontal scale dial to maintain correct visual alignment of the temperature set point

While this is an OEM York part

Simplified Calibration: Enables rapid field setpoint verification and adjustment

including 2"

Lochinvar & A.O. Smith 100208089 Blower Gasket Horizontal units require a dedicatedThe Lochinvar & A. O. Smith 100208089 Blower Gasket is a critical high temperature seal engineered for high efficiency commercial water heater and boiler assemblies. As a veteran grade OEM replacement part, this blower gasket ensures a gas tight interface between the blower motor assembly and the combustion chamber, preventing flue gas leakage and maintaining precise combustion air pressure. This specific component is the direct successor to and a