Technicians should replace the orifice if the pilot light appears lazy or yellow

This 100208091 gasket is fabricated from specialized high-temperature gasket material to withstand the extreme thermal cycling inherent in modulating burner systems

Can this be used with R-410A systems

significantly reducing callbacks for premature component failure

but compatibility depends on the specific orifice size and body material

Lochinvar & A.O. Smith 100277953 Volute Gasket Technicians should replace the orificeThe Lochinvar & A. O. Smith 100277953 Volute Gasket is a critical sealing component engineered for high performance circulating pumps within commercial and residential hydronic systems. This OEM replacement gasket is physically and technically identical to ARM1010 (previously 100133544), ensuring a precision fit for critical pump to volute interfaces. Designed specifically for compatibility with ARM3022PBF pump models, as well as the ARM3024, ARM3072,