Transparent 'y' NOn- Return Valves
These use a ballvalve system to prevent backflow into pumps and chambers. They feature a Mac Union fitting, glued connections and a cleaning eye for convenient maintenance. They are transparent for easy inspection.
Vertical installation only.
Codes: UB25 (25mm fittings) UB40 (40mm fittings) and UB50 (50mm fittings)
Transparent Non-Return Valve
This non-return valve has 40mm pressure pipe outlets and a transparent body for easy inspection. It is designed to allow full flow through the system it is fitted to, and can be easily disassembled.
Code: NRVC40 / UF40