Products

¾" In-Line Non-Return Valve The McAlpine ¾” In-Line Non Return Valve is a reliable choice for preventing backflow and promoting smooth water flow i...

McAlpine CONVALVE-125 is a practical 1.25" non-return valve that provides reliable protection against backflow. Its solid construction ensures sup...

The McAlpine CONVALVE-125P is a 1¼" in-line non-return valve designed to prevent wastewater from flowing back into the system. It uses a standard ...

1¼" Multifit In-Line Non-Return Valve with top access for cleaning McAlpine's 1¼" Multifit In-Line Non-Return Valve is an essential component of an...

150mm square stainless steel tile with silicone non-return valve and removable grid including removable stainless steel mesh filter McAlpine's FGT1...

150mm square stainless steel tile with silicone non-return valve and securing screws - ABS solvent weld connection This McAlpine stainless steel ti...

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

In-Line Vertical Non-Return Valve with inlet and outlet connection for 19/23mm pipe The McAlpine CONVALVE 19/23mm In-Line Vertical Non-Return Valve...

Non-Return Valve with 19/23mm Universal Connections Stay safe and keep your plumbing systems secure with this McAlpine 19/23mm Non-Return Valve. An...

Anti-Syphon (Silentrap) Adjustable Inlet Bottle Trap with Silicone Non-Return Valve and Multifit Outlet McAlpine 32mm Bottle Trap with NRV is an ef...