The H19 Series high pressure safety pilot valves are designed for commercial and industrial applications with gas pressures up to and including 25 psi (1.72 bar [172 kPa]). The H19TB Series is gas pressure is 15 psi (1.03 bar [103 kPa]). Features:Valve Sizes 1/4 inch and 3/8 inchNatural gas flow capacities up to 600,000 BTU/hr. at 2.5 pressure dropFlow interrupt feature ΓÇô allows gas flow only to the pilot during initial lighting operationReliable ΓÇô proven by thousands of units in serviceNatural and LP Gas up to 25 PSI with 1/8"-27 NPT Pilot Tap Specifications: Manufacturer: BASOManufacturer Part Number: H19RA-2Product Type: Pilot Gas ValveType: Automatic Shut-OffRated Inlet Pressure: 25 PSI (H19TB ΓÇô 15 PSI only)Connection Size: 3/8" NPTOperable Gas Types: Natural Gas, Liquefied Petroleum (LP), LP Gas-Air MixturesPermissible Ambient (Surface) Temperature: -40 to 150 Degree FahrenheitDimensions: 3.25" x 4.4" x 2.05"Weight: 0.49 lb