1-1/2 in. Double Check Backflow Preventer

The Zurn Wilkins 950XL Double Check Valve Assembly is a wye pattern backflow preventer used in low hazard, non-potable applications. Designed for installation on water lines to protect against both back siphonage and backpressure of polluted water into the potable water supply. Assembly shall provide protection where a potential health hazard does not exist.