Watts SD 3 Backflow Preventer – Reliable Safety The Watts SD 3 Backflow Preventer has exceeded over 500,000 pump cycles in testing. Such performance proves its robust protection for beverage dispensing systems. Compact in design, this sd 3 device incorporates two checks and an atmospheric vent that stop carbonated beverages or CO2 from entering drinking water lines. It is offered …
How To Inspect A Coffee Maker Backflow Preventer Properly






