Welcome to the New Keller Supply Website - Our new website is now live. Enjoy improved product search, enhanced navigation, and an upgraded online experience. We welcome your feedback as you explore the new site.
The patented NIDEL® Model 50H high flow double check backflow preventer is intended for irrigation purposes and designed to protect hose connections from backflow contamination in freezing and non-freezing conditions. The NIDEL® Model 50 high flow double check backflow preventer automatically drains when the hose is removed and unlike single check vacuum breakers can be field tested for reliability.
WOODFORD® 50H-CH High-Flow Double Check Backflow Preventer, 3/4 in, FHT x MHT