05" orifice capacity

It stays open until the plenum temperature reaches 120°F

This ASME Section IV certified valve features a substantial 6

What causes the valve to 'chatter' or fail to hold after replacement

Proper static pressure and CFM verification are required to ensure the long-term performance of the nichrome coils and prevent nuisance tripping of the limit switches

Lochinvar & A.O. Smith 100109834 Gas Valve 321894-708 05" orifice capacityThe 100109834 Gas Valve is a direct replacement service part engineered for high performance Lochinvar Knight and A. O. Smith high efficiency boilers. This combination gas control valve is configured for Natural Gas applications, featuring a 1 2" NPT inlet outlet and a standard 24V AC solenoid operator. Designed to maintain stable manifold pressure, it operates at a 3. 5" W. C. regulation setpoint. Reliable ignition and consistent BTU output depend on