Lochinvar & A.O. Smith 100109891 Gas Valve 321894-706 Can this damper be used

Can this damper be used for A2L refrigerant compliance

Precise Level Control: Integrated serrated arms facilitate easy indexed adjustments to ensure accurate water levels and prevent overflow

it indicates an underlying issue like a failing capacitor

If the 24V HVAC signal is present at the valve terminals but no gas flow is detected at the outlet (checked via manometer)

and newer communicative devices

Lochinvar & A.O. Smith 100109891 Gas Valve 321894-706 Can this damper be usedThe Lochinvar & A. O. Smith 100109891 Gas Valve is a critical OEM replacement part designed for high recovery commercial water heaters and boilers. Engineered for precision, this 24V natural gas valve operates with a 3. 5" WC manifold pressure to ensure stable combustion and optimal thermal efficiency. Built with a rugged 3 4" NPT connection, it is a direct substitute for legacy part numbers such as 9004497205 and 192015, providing a reliable solution