For Fire Protection and Sprinkler Applications Specifications 3 1/2″ 1005P XUL, 1/4″ LM – Sprinkler Gauge Ranges 0-300# Water, 0-80-250# Air Retard Copper alloy wetted parts Accuracy /- 3/2/3 % (ASME B40.1 Grade B) Gauge is UL Approved and meets all requirements of Standard 25 of the NFPA Gauge has the year of manufacturing stamped directly on the dial for easy replacement acknowledgement – last two digits are year Literature (PDF)
