Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges 1 force requirements to be

1 force requirements to be able to withstand a force of 1100Nm applied at any position and in any direction without deformation

Jumbo Toilet Roll Holder

Application: Suitable for both indoor & outdoor use

A CtoC: 900mm B Length: 932mm

Anti-Syphon Technology: Integrated valve draws in air to neutralize syphonic pressure

Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges 1 force requirements to beCompact, 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