Viking® VK177, Standard, Dry Sprinkler, 8.0K, Standard Adjustable, Pendent, QR, 1” NPT, Nickel PTFE (ENT), 200 Degree, 12” Length, 13249UJNE12 Fire Sprinkler Head A-1 and pre-action automatic sprinkler systems

and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler

The glass bulb operating element and special deflector characteristics meet the challenges of residential sprinkler standards

Not for use in water systems intended for human consumption

Outside Diameter - 4"

Wrench for use with RASCO/Reliable fire sprinkler models:  D-6

Viking® VK177, Standard, Dry Sprinkler, 8.0K, Standard Adjustable, Pendent, QR, 1” NPT, Nickel PTFE (ENT), 200 Degree, 12” Length, 13249UJNE12 Fire Sprinkler Head A-1 and pre-action automatic sprinkler systemsViking VK177, Standard, Dry Sprinkler, 8. 0K, Standard Adjustable, Pendent, QR, 1 NPT, Nickel PTFE (ENT), 200 Degree, 12 Length, 13249UJNE12 Fire Sprinkler Head Viking Quick Response Large Orifice Dry Pendent Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing. The sprinklers are designed for dry systems and preaction systems where it is necessary to prevent water or condensation from entering the drop nipple