McAlpine T31U Waterless Trap Straight Connector 40mm is a thread to pipe adapter that will screw in to the female nut of the 1.1/2 inch MACVALVE-2 allowing a pipe to pipe connection.

• 1 1/2" BSP Male Thread
• 1 1/2" Universal Compression Connection
• Can be fitted to MACVALVE-2 to create a non-return valve