Zurn Wilkins 475DABG - 4" 475DA Reduced Pressure Detector Backflow Assembly with grooved end butterfly valves

Shaped in the n-Pattern, for new or retrofit installations in tight locations.
For high hazard fire sprinkler systems, with a metered by-pass to detect leaks and other water use.
4" reduced pressure detector assembly with grooved end butterfly valves with integral supervisory switches.
Small footprint for easy Fire Protection retrofits.
Available as a 475DAV for RP protection in a vertical upward flow path.
n-Pattern construction space saving design is excellent for retrofit installation in small spaces.
Epoxy coated ductile iron body resists corrosion.
Utilizes the patented, center-stem guided compound check for reliable and superior performance.
Single access cover reduces maintenance down time.