Conbraco 36C 105 01 Valve Freon the Parker H 23R is commonly the Parker H 23R is commonly found on liquid line and suction line solenoid valves Replacing a fouled or corroded pilot with this factory spec assembly restores the millivolt signal integrity required for the gas valve to operate safely The Conbraco 36C 105 01 is a high performance 1 inch NPT pressure reducing valve engineered for precision water pressure regulation in commercial and residential distribution systems The union connection and the bottom access plug allow a technician to inspect the seat disc and clean the strainer while the valve body remains installed