McAlpine 1¼” Self-Closing Waste Valve – Loose Nut x Compression (MACVALVE1)

Self-Closing Waste Valve – Loose Nut x Compression

The Self-Closing Waste Valve – Loose Nut x Compression is designed for versatile installation, fitting both horizontally and vertically. This valve is perfect for stopping smells and backflow, and with no water seal, it can never dry out through evaporation or lack of use as the membrane remains sealed.

Available in 1¼” and 1½” sizes, the valve features a BSP female inlet nut x universal compression outlet. The 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 from entering the building.

Features and Benefits:

• Available in sizes: 1¼” and 1½”
• BSP female inlet nut x universal compression outlet
• Membrane opens under water pressure and closes to form a seal
• Prevents foul odour or sewer gas from entering the building
• Can be fitted horizontally or vertically
• Beneficial in installations requiring a non-return valve
• No water seal, preventing drying out through evaporation or lack of use
• Not recommended for use with shower trays unless there is access for maintenance
• Patent Pending