This fixed price listing is for 1 x LPG Gas Regulator 2 Cylinder Changeover Kit as shown. Kit Includes: Manual changeover head 4kg/hr regulator type 734 2 x 20" POL x W20 pigtails Hoses have built in Excess flow & non return valves 3/8" Male x 3/8" female outlet test point ball valve Screws & bracket Inlet Connections: 2 x W20 (M20x1.5 male) (To fit supplied hoses) Input Pressure: 1bar - 16bar Output Pressure: 37mbar Output Rating: 4Kg/h Type Of Gas: PROPANE Diaphram Type: 734 EN 16129 Approved PLEASE NOTE: The hoses supplied in this kit are for connection to standard UK POL (EN 16129 G.7) screw in type propane gas bottles ONLY (see gallery pictures for more details of this fitting). Important Note: Although these are intended for outdoor use, the manfacturer recommends they are not continuously exposed to the elements. For this reason it is suggested to protect the regulator with a cover in order to shield it from rain and prevent any damage. To connect the outlet valve to 8mm orange lpg gas hose a 3/8" male fulham nozzle may be required.