115v 3/4hp 1075rpm Motor

High-Speed Operation: Direct-acting or internal pilot-operated mechanisms ensure rapid opening and closing

Field technicians frequently utilize the MA-418 actuator as a direct replacement for legacy components

Always verify your air handler or furnace model number to ensure the board's relay logic matches your motor type

Lochinvar & A.O. Smith 100074672 Manifold Assembly 323269-701 115v 3/4hp 1075rpm MotorThe Lochinvar & A. O. Smith 100074672 Manifold Assembly is a critical OEM replacement component for high efficiency natural gas tankless water heaters. This integrated unit combines a precision engineered natural gas manifold with a dedicated gas valve assembly to regulate fuel delivery and maintain stable combustion across varying load demands. Whether you are servicing a residential or commercial system, using the correct Lochinvar gas manifold is