Apollo Valves 1/2" Brass Dual Check w/ Atmospheric Vent w/ FNPT Connection

The Apollo® Model DCAP4A Dual Check with Atmospheric Port is designed to protect residential and commercial water supply lines from back-siphonage or backpressure of non-potable/non-hazardous substances. An intermediate atmospheric vent provides protection from backflow conditions. Features: Low pressure loss Corrosion resistant Independently acting check valves Easy to install and repair with built-in strainer Suitable for hot or cold water service