Combination Gas Valve, 24 Vac, 1/2" x 1/2", Two Stage, Direct Ignition, 1/2 Psi Pressure Rating, Standard Opening, Straight Through, 1.7" WC Lw Regulator Setting, 3.5" WC High Regulator Setting, Natural Gas, 140,000 Btuh @ 1" WC Pressure Drop, Includes 6" Wire Harness and LP Conversion Kit