Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges requiring less force from the

requiring less force from the user to turn the tap handle – perfect for young children or those with arthritis

A CtoC: 900mm B Length: 932mm

Extra long sockets

Jumbo Toilet Roll Holder

Packaging: Small jar with screw-top lid for easy access

Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges requiring less force from theCompact, compliant, and built for backflow protection. The Watts 9D AUS 20mm is a dual check backflow preventer designed to safeguard potable water systems from reverse flow in low hazard applications. It features two independent check valves and an intermediate atmospheric vent that discharges to the atmosphere if a fault occurs ensuring reliable protection in compact installations. Ideal for boiler feeds, autoclaves, lab setups, and food service