Change Over Valves

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37 mbar automatic changeover gas valve without OPSO. Designed to operate 2 cylinder systems it comes complete with a second stage regulator, 2 hoses, 1 ball valve, 1 Installation kit (gasket, screws). This product must be fitted by a Gas Safe registered engineer

7 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