Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) The Quarter Turn Forestry Couplings

The Quarter Turn Forestry Couplings are made out of forged aluminum Common

Sometimes referred to as “pipe thread” because PVC pipe and schedule 40 pipe are typically threaded in NPT

May be used in some dry hydrant applications and to cover other non-pressurized openings with 4

Kit includes a heavy-duty PVC suction hose

if your area has experienced theft of brass or copper FDC components

Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) The Quarter Turn Forestry CouplingsKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 1 1 2" configuration and is operated with a Knox FDC wrench controlled by the Fire Department. Ensures ready and reliable connections to fire sprinkler systems Protects check valves from freezing in cold climate areas Eliminates costly services to back