Backflow Preventer

Backflow preventers help protect potable water systems by keeping contaminated water from flowing back into the clean water supply. Quality Plumbing Supply offers backflow preventer assemblies, repair kits, check valves, strainers, test cocks, and replacement parts from trusted manufacturers like Beeco, Watts, and Zurn-Wilkins.  Browse our selection to find reliable parts for any backflow prevention maintenance and repair.