Automatic change over kit, the kit comprises of one automatic change over regulat0r to BS EN 13786: 2004, two 20' high pressure pigtails with POL Connectors incorporating excess flow and non return valves, built in wall mounting bracket and a half inch female x female Shut valve. The kit has a 5KG/hr (238,00 BTU) Capacity with an outlet pressure of 37mb via a 1/2' BSP Female outlet