Compact 2-Stage Regulator is approved for use in portable applications and outdoor cooking appliances utilizing low pressure. This regulator features an all zinc body construction, high and low 1/8 inch NPT pressure tap ports, an integral drip lip vent. This regulator meets RVIA, UL and NFPA test requirements. Compact regulator 1/4 inch FNPT Inlet x 3/8 inch FNPT Outlet. 175,000 BTU/H LPG @ 30 PSI Inlet. Max. Inlet Pressure: 250 PSI. Exterior Finish: Raw Zinc / Raw Zinc. Diaphragm: Fabric Reinforced Molded with O-Ring Bonnet / Body Seal. Diaphragm Type: Internal Relief - Spring Loaded. Bonnet / Body Material: Die Cast Zinc. Listings: UL LISTED / UL 144. Mounting Holes: 3-1/2 inch On Center. Pressure Taps: 1/8 inch FNPT Plugged. Dimensions: 1/4 inch FNPT Inlet Connection x 3/8 inch FNPT Outlet Connection.