Lochinvar & A.O. Smith 100288878 Gasket 318172-701 Constructed with durable internal diaphragms

Constructed with durable internal diaphragms and springs for consistent set-point retention

No External Power Required: Direct-acting pressure actuated design simplifies installation and reduces failure points

and safety limit monitoring

this valve is essential for systems requiring precise load matching or protection against low evaporating pressures

2-Stage Performance: Supports dual-stage heating systems with the exact airflow curves required for low and high-fire operation

Lochinvar & A.O. Smith 100288878 Gasket 318172-701 Constructed with durable internal diaphragmsThe Lochinvar & A. O. Smith 100288878 Gasket is a high temperature silicone blower gasket engineered specifically for high efficiency condensing boilers and water heaters. As a critical sealing component for Lochinvar FTX and A. O. Smith venting systems, this 4. 2 inch to 4. 7 2 inch square gasket ensures an airtight seal between the combustion blower and the burner assembly. This prevents carbon monoxide leakage and maintains the precise air fuel