Propane Regulator; Without Shut Off Valve; 1/4 Inch NPT Inlet and 3/8 Inch NPT Outlet; Outlet Pressure of 11 Inch WC (Water Column); Two Stage Horizontal Mount With Prest-O-Lite (POL); 160,000 BTU/Hour; Without Hose; Approved For RV Use,Camco's Horizontal Two Stage Propane Regulator has integral first and second stages that ensure smoother, more consistent flow of gas to all appliances. Its inlet is 1/4 Inch female NPT and the outlet is a 3/8 Inch female NPT. The outlet pressure is 11 Inch W.C and has a 160,000 BTU per hour capacity. Use Camco's 59843 20 Inch Pigtail Propane hose Connectors - ACME x 1/4 Inch male NPT to connect to a 20 Pound or 30 Pound LP tank with ACME threads.