The risks to drinking water quality from backflow contamination incidents pose a constant threat—whether they’re nuisance, non-health hazards, or serious public health events. Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer the largest selection of backflow prevention solutions for any application.

Backflow Preventer Repair Kit; For Use With: 1 909 QT, Mfr. No. 3/4 909QT; Includes: Check Disc, Cover And Sleeve O-Ring, Diaphragm, Piston Seal And Lubricant, RV Disc Assembly, Upper And Lower Check Stem O-Ring

WARNING: California ResidentsThis product and/or packaging can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sustainable Supply has been focusing on our customers and their work since 2009. It’s why we carry over 1,000,000 products and built a website dedicated to your ordering experience. We’re in the business of helping you save time, save money, get your product quickly, and be as green as you want to be.