UL 1726

Please note: All interim revisions for this edition available at time of your purchase will be included.

These requirements cover automatic drain valves that are intended to drain water from cavities in standpipe systems intended usually to be empty, such as those between a hose valve and hose rack, and pipe sections between fire department connections and check valves.

The valves covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Sprinkler Systems, ANSI/NFPA 13-1999, and The Standard for the Installation of Standpipe, Private Hydrant, and Hose Systems, ANSI/NFPA 14-2000.