Main Drain Sign | 6 in. x 2 in.

Main Drain Sign is an NFPA 13-compliant white powder-coated 18-gauge aluminum (.040 aluminum) sign designed to indicate the location of a main drain to inspectors and fire professionals. This 6 in. (152.4 mm) x 2 in. (50.8 mm) sign reads 'Main Drain' in red letters at least one inch (25.4 mm) in height.

This Main Drain sign indicates that a valve serves as the main point to drain water from the fire sprinkler system and provides a way to measure water flow during testing. This sign is drilled with four (4) holes for easy hanging.