37 mbar automatic changeover Propane gas valve with OPSO, designed to operate multiple cylinder systems. This item must be fitted by a Gas Safe registered engineer.
Second stage regulator, 2 hoses, 1 ball valve and an installation kit (gaskets and screws).
Automatic changeover valve with OPSO. Designed to operate multiple cylinder systems it comes complete with a second stage regulator, 2 hoses, 1 ball valve, 1 Installation kit (gasket, screws).