Waste & Overflow Systems - BHL.co.uk

t255The Marley Overflow range uses an effective, reliable andsecure solvent weld jointing system precision moulded intough PVCu. The system has been designed for quick andeasy installation, incorporating new compact fittings suitedto standard 21.5mm pipework. The 21.5mm size fits directlyto all sanitary ware appliances. This size is compatible withoverflows fitted to toilet cisterns.Tee fittedexternallyto preventinward flowof cold airStraight AdaptorOCA 21XRBend 90ºOB 90XRJointingTeeOT 90XRBent TankConnectorOBC 90XRWC CISTERN21.5mm ( 3 /4") Dia.TeeOT 90XRStraight TankConnectorOTC 21XRFor best results ensure all joints are clean and thatend of pipes have been square cut and are free from burrs.To make a joint, simply apply a uniform coat of solvent cementaround the outside of the pipe and the inside of the fitting socket.Whilst solvent is still wet, push pipe fully into fitting and allow8 hours for complete setting.Notice: Instructions for safe use of solvent cement are printed onthe outside of the container and should be followed at all times.Pipe Gradient and SupportsTeeOT 90XRBend 45ºPipe ClipOC 214XROB 45XRPipes fitted to WC and storage cisterns should be installed to take awayoverflowing water quickly and efficiently, therefore a gradient must beincluded during installation.Pipes need to be supported by pipe clips fixed to the wall at:Vertical – every 1.0m Horizontal – every 0.5mTeeOT 90XRBend 45ºOB 45XRSee insertdetailsPipeOP 213WXOVERFLOW SYSTEMInsert Details1. Water Regulations In order to complywith the water regulations (Byelaw 30),cistern manufacturers have introducedcomponents to prevent insects and cold airentering the tank through the overflow pipe.Where these are fitted, Marley Overflowadaptors may be required to make thecorrect connections between the pipe andcistern. Some examples of typical connectionsare illustrated.N.B PLEASE ENSURE YOU PURCHASE THEAPPROPRIATE ADAPTORCap and lining orfemale iron adaptorSTORAGE CISTERN21.5mm ( 3 /4") Dia.OCA 21XRCouplingOSC 213XRBent TankConnectorOBC 90XRSee insertdetailsBend 90ºOB 90XROCL 21XROFA 21XRPipe(2,3,& 4m)OP 212WXOP 213WXOP 21WXBend (45º)OB 45XRStraight TankConnectorOTC 21XRCap andLiningOCL 21XR3 XCouplingTee (90º)Bent TankConnectorFemale IronAdaptorOSC 213XROT 90XROBC 90XROFA 21XRBend (90º)4 XPipe ClipStraightAdaptor5oductsSolventCement(55ml)OB 90XROC 214XROCA 21XRKS 27