The FEBCO MasterSeries ® 856ST Double Check Detector Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-health hazard non-potable service applications such as irrigation, fire line, or industrial processing. The assembly shall consist of a main line valve body composed of two (2) independent check valves, replaceable stainless steel check seats and disc rubbers. Ideal for protection of non-health hazard cross-connections or for containment at the service line entrance. It is used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use.

Features