Lochinvar & A.O. Smith 100074672 Manifold Assembly 321894-708 and MGC-9DP series gas-fired hot

and MGC-9DP series gas-fired hot water boilers

offering a 15-second fail-safe response time

This board is primarily used in York

This SPST heating control is rated for heavy-duty electrical loads and is commonly utilized as a high-performance replacement part for QMark and Berko architectural wall heaters

Lochinvar & A.O. Smith 100074672 Manifold Assembly 321894-708 and MGC-9DP series gas-fired hotThe 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