Lochinvar & A.O. Smith 100278095 Gasket Set 318172-701 This Single Pole Single Throw

This Single Pole Single Throw (SPST)

and cooling modes with exact timing

Always verify the part number against your unit's specific data plate

This typically indicates mechanical resistance or "phantom voltage" issues

Lochinvar & A.O. Smith 100278095 Gasket Set 318172-701 This Single Pole Single ThrowMaintaining a combustion seal is critical for high efficiency hydronic systems. The Lochinvar & A. O. Smith 100278095 Gasket Set is a comprehensive OEM solution designed to restore the airtight integrity of your burner assembly. This kit is the direct replacement for 100146371, as well as obsolete part numbers GKT20050 and GKT20050K. Specifically engineered for Lochinvar Knight wall mount boilers, it includes the essential components for the burner