Lochinvar & A.O. Smith 100111372 Gas Valve 30067439 890 Key Benefits Continuous Duty Rating: Key Benefits Continuous Duty Rating: Optimized for systems where the solenoid remains energized for extended periods without coil fatigue The Schneider Electric (Barber Colman) AM 116 Crank Arm is a professional grade linkage component designed for heavy duty HVAC damper and valve automation This specific 1 2" NPT gas valve is factory set for Liquid Propane (LP) operation with a 10" WC manifold pressure setting technicians must always verify the manifold pressure during commissioning using a manometer to account for specific site altitude and supply line variations