Lochinvar & A.O. Smith 100278117 Gasket 321894-709 reducing vibration-induced fatigue that often

reducing vibration-induced fatigue that often leads to premature hub failure in commercial applications

as it may damage the internal thin-film sensor

this two-position spring return motor is essential for units manufactured prior to January 2003

Direct OEM Compatibility: Ensures exact fitment and alignment

Lochinvar & A.O. Smith 100278117 Gasket 321894-709 reducing vibration-induced fatigue that oftenProfessional grade maintenance requires precision components that ensure a gas tight seal and reliable combustion performance. The Lochinvar & A. O. Smith 100278117 Gasket Set is a comprehensive OEM replacement part specifically engineered for high efficiency condensing boilers and water heaters. As a veteran technician, you know that reuse of flat gaskets or fiber seals during a heat exchanger service leads to nuisance lockouts and dangerous flue gas