Honeywell Gas Valve, Millivolt Combination, Natural Gas, Standard Pressure Regulator, 1/2″ x 3/4″ NPT with 1/2″ NPT Side Outlets, 3.5″ Water Column Pressure Regulator Setting, 1/2 Psi Pressure Rating, 1/8″ NPT with Plug Pressure Tapping, 750Mv, Compression Fitting for 1/4 O.D. Tubing, Includes One 3/4″ x 1/2″ Reducer Bushing and One 1/2″ x 3/8″ Reducer Bushing