S262SG04N3LK4 Asco Vent Valve

The Asco S262SG04N3LK4 Gas Vent Valve COMBUSTION (Fuel Gas) – NORMALLY OPEN 3 Pipe size (ins) 4 1/2 Orifice 110 cv. 5,440,000 Btu/hr. Gas Capacity 0-15 max Operating Pressure Differential (psi) 240V 60 Hz.