Automatic changeover valve with integrated low pressure regulator for two-cylinder systems, for connection to gas cylinders with high pressure hose assemblies, to regulate the pressure to the nominal pressure of the gas equipment Consisting of: automatic changeover valve, low pressure regulator with pressure relief valve PRV, control knob, operation and reserve display, gas non-return valve, test point and wall bracket 2 x M20x1.5 M x compr.fit.10/8 Outlet 30mbar, flow 1.5kg/h Advantages:- Automatic changeover to the gas cylinder on the reserve side as soon as the gas cylinder on the operating side is empty The cylinder can be replaced without operational interruption Gas non-return valve: prevents the escape of gas when the cylinder is replaced Even gas supply through the optimum use of the gas cylinder content Displays which gas cylinder gas is being taken from Can be used all over Europe through the use of country-specific high pressure hose assemblies (not included in delivery) Makes it possible to convert a one-cylinder system to a two-cylinder system Suitable for connection of a remote display Test point for leak testing the LPG system without disassembling the pressure regulating device By default, the version with compression fitting 10 / 8 at the outlet is fitted with an adapter to connect 8 mm piping