S262SG04N3DG5 Asco Vent Valve

The Asco S262SG04N3DG5 Gas Vent Valve COMBUSTION (Fuel Gas) – NORMALLY OPEN 1/2 Pipe Size (ins.) 3/4 Orifice Size (ins.) 6.2 cv. 322,000 Btu/hr. Gas Capacity 0-30max Operating Pressure Differential (psi) 240V 60 Hz.