Performance Requirements for Backflow Prevention Devices for Hand-held Showers
ANSI Approved: February 2020
ASSE 1014 devices provide backflow protection against backsiphonage and backpressure in handheld showers, sometimes identified as “telephone showers.” These products are separately attached or are integral with handheld showers, tub fillers, flexible hoses, or components that are attached to a shower system, and include two independently acting check valves in series, or a check valve in series with a vacuum breaker feature.
A downloadable version of this standard is also available.