Honeywell Dual Standing Pilot Gas Valve W/ 1/2"X1/2" Slow 35" Wc24 Vac Dual Standing Pilot Gas Valve with 1/2" x 1/2" inlet/outlet, slow opening and 3.5" wc pressure regulator setting. Product Specifications BRANDHoneywell INLET SIZE INCHES1/2 OUTLET SIZE INCHES1/2 BTU/HR MIN40000 BTU/HR MAX130000 MAX OPERATING PRESSURE (PSI)1/2 FUEL TYPENatural Gas OPENING TYPESlow DESCRIPTIONDual Standing Pilot Gas Valve IGNITION TYPEStanding Pilot TYPEStraight-Through LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERVR8200H1251