Honeywell Vac Dual Intermittent Pilot Gas Valve W/ 3/4"X3/4" Standard 35" Wc120 Vac Dual Intermittent Pilot Gas Valve with 3/4" x 3/4" inlet/outlet, standard opening and 3.5" wc pressure regulator setting. Product Specifications BRANDHoneywell INLET SIZE INCHES3/4 OUTLET SIZE INCHES3/4 BTU/HR MIN30000 BTU/HR MAX300000 MAX OPERATING PRESSURE (PSI)1/2 FUEL TYPENatural Gas OPENING TYPEStandard DESCRIPTIONDual Intermittent Pilot Gas Valve IGNITION TYPEIntermittent Pilot TYPEStraight-Through LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERVR4304M4519