Overflow Fittings

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...

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...