Maintenance Optimized: The slider bar contact design reduces pitting and carbon buildup

contractor-grade power venter motor kit engineered to restore precise draft control in residential and commercial heating systems

the burners are designed to withstand high-temperature oxidation and prevent premature port clogging

if the vacuum is sufficient but the switch remains open

making it ideal for managing dual-heating elements or multi-stage fan systems to improve energy efficiency and thermal stability

Lochinvar & A.O. Smith 100233678 Fan Gasket 320819-301 Maintenance Optimized: The slider barAs a field technician, you know that maintaining a precise seal in the combustion assembly is non negotiable for system safety and peak thermal efficiency. The Lochinvar & A. O. Smith 100233678 Fan Gasket is a critical OEM component engineered to provide a high temperature seal between the combustion fan and the blower transition or venturi assembly. Designed specifically for use in Lochinvar Knight boilers and high efficiency A. O. Smith commercial