Self Closing Waste Valve - Loose Nut x Compression

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• Available in 1¼" and 1½" sizes
• BSP female inlet nut x universal compression outlet
• Membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building
• Can be fitted in horizontal or vertical position
• Can be fitted in installation where a non-return valve can be of benefit to the plumbing installation
• No water seal so it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed
• Not recommended for use with shower trays unless there is access for maintenance
• Patent Pending

Size

Product Code

1¼"

MACVALVE-1

1½"

MACVALVE-2

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Certificate