Description
Can be fitted in the horizontal or vertical position The Internal Membrane opens under water pressure to allow the discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building2″ x 2″ Universal Compression Connections The Non-Return Valve shall prevent problems with waste backflow or back pressure in the discharge pipe systemEasily removed for maintenance of the discharge pipework Before installation test that the membrane is opening and closing

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