Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges Hybrid Mode: Intelligent technology that

Hybrid Mode: Intelligent technology that kicks in an electric boost only when you need it most—ensuring you never run cold

Application: Suitable for both indoor & outdoor use

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

• Stainless Braided Hose With Adaptors

Dual Check Backflow Preventer with Atmospheric Vent – 20mm Valve for Potable Water Protection Puddle Flanges Hybrid Mode: Intelligent technology thatCompact, 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