Knox Box Standpipe Lock 3" Female NH/NST Locking Cap Model:4047 (6.0 TPI x 3.623 OD) The 1½" NH/NST Male Locking

The 1½" NH/NST Male Locking Cap threads onto a female FDC inlet

AWWA compliant C511

parks and nurseries

Two mounting brackets are included

Drinking Water

Knox Box Standpipe Lock 3" Female NH/NST Locking Cap Model:4047 (6.0 TPI x 3.623 OD) The 1½" NH/NST Male LockingThe Knox Standpipe Lock protects standpipes, fire and wall hydrants from accidental damage, vandalism, and physical attack. Since the Knox Standpipe Lock holds water pressure, it can be installed on hydrants. The Knox Standpipe Lock is available for 2. 5 connections with varying thread options and is operated with a Knox FDC Wrench controlled by the Fire Department. Protects dry and wet standpipe outlets in stairwells from vandalism Reduces