Watts SD 3 Backflow Preventer – Reliable Safety Over 500,000 pump cycles have been logged in tests of the Watts SD 3 Backflow Preventer. This level of testing highlights that it provides strong protection for beverage dispensing systems. This coffee maker backflow preventer device uses a compact design with two checks and an atmospheric vent to keep carbonated beverages or …
Key Differences Between Watts Series 7 And Watts SD3








