Plug and Chain | 3 Inch | Yellow (Auto Spkr/Standpipe) | NYFD

3 in. (76.2 mm) Yellow-Painted Cast Iron NYFD Plug & Chain threads to fire department connection (FDC) inlets to prevent dirt, debris, and garbage from blocking a building's water supply during an emergency. This plug protects inlet threads and prevents moisture accumulation.

This 3 in. (76.2 mm) NYFD Plug & Chain is painted yellow in accordance with New York City's Local Law 58/09 and identifies the system as a combined fire sprinkler and standpipe system (Auto Spkr/Standpipe). This plug has a maximum working pressure of 300 PSI and tightens completely using pin-lug hydrant wrenches.