Connection Size B42mmConnection Size A66.7mmERP (Energy Efficiency)NPipe Connection TypePress FitPipe Connector TypeCoupler ReducerConnection MaterialCopperPipe Connection Size66.7mm x 42mmTypeFittings - Couplers & ConnectorsSuitable forGasShapeStraightMinimum Diameter42mmMaximum Pressure16 bar (black O-ring) / 10 bar (green O-ring)Maximum Diameter66.7mmMaterialCopperDiameter66.7 x 42mmColourCopperSupplier Part Number39321Manufacturer Model No39321Brand NameXpress