Profile: Rutherford Equipment, Inc. is a distributor of propane equipment and gas appliances. We carry a full line of gas logs, heaters and grills. Our propane equipment category comprises of regulators, valves, connectors & adapters, pumps & meters, and hose reels & parts. The Fisher R622H series regulators are large capacity adjustable first stage regulators that are factory set at 5 or 10 psig. They are equipped with high capacity internal relief valve with ¾" FNPT vent, and built-in ⅛" FNPT gauge taps on both inlet & outlet sides. The overfill protection device (OPD) valve automatically shuts off flow of all gas when a cylinder is filled to proper volume.