Reliable Safety with the Watts SD 3 Backflow Preventer The Watts SD 3 Backflow Preventer has exceeded over 500,000 pump cycles in testing. This level of testing highlights that it provides strong protection for beverage dispensing systems. This sd-3 watts device is built with a compact layout, featuring two checks and an atmospheric vent to prevent contamination of drinking water …
How To Read A Specification Chart For Watts SD 3 Devices