McAlpine Tunvalve (Clear) ¾ X 19/23mm

This non-return valve may be installed to take the discharge condensate from a boiler, air conditioning unit or cold water cistern when the discharge is being installed into a waste or soil pipe. The non-return valve will prevent foul odour entering the building

McAlpine TV1 Teevent 1½

Depending on model, can be connected directly to trap or extended away from the trap using a length of 1½” waste pipe For use with WM4 Trap Incorporates a Non-Return Valve, which provides an air break and enables the waste system to be sealed

McAlpine R29-NRV 90 Degree Elbow With Integral Non-Return Valve 19/23mm

90° Elbow with integral Non-Return Valve Plain Tail Inlet x 19/23mm Universal Outlet.

McAlpine CONVALVE-125 In-line Non-Return Valve 1¼

Convalve Non-Return Valve with 1¼” Universal Connections.

McAlpine CONVALVE-125P In-line Non-Return Valve With Plain Tail 1¼

Convalve Non-Return Valve with 1¼” Plain Tail x 1¼” Universal Outlet to take pressure-relief discharge from pressurised hot water cylinders.

McAlpine R28-NRV Non-Return Valve 19/23mm

Non-Return Valve with 19/23mm Universal Connections

McAlpine CONVALVE In-line Vertical Non-Return Valve 19/23mm

19/23mm Inlet and Outlet Prevents waste water from sanitary pipework entering a condensing boiler

McAlpine TUN5-CL Tunvalve Straight Through (Clear) 19/23mm

This non-return valve may be installed to take the discharge condensate from a boiler, air conditioning unit or cold water cistern when the discharge is being installed into a waste or soil pipe. The non-return valve will prevent foul odour entering the building