Viking® VK327, Model M, 4.2K, Standard, Upright, QR, 1/2" NPT, Chrome, 286 Degree 21269FG Fire Sprinkler Head phoenix key The WFD20N is a waterflow

The WFD20N is a waterflow detector for installation on 2" steel pipe

AC/Heater unit UL/cUL Listed

50-451-1-200

53-111-8-212

Wrench for use with Tyco fire sprinkler models:  ESFR-17

Viking® VK327, Model M, 4.2K, Standard, Upright, QR, 1/2" NPT, Chrome, 286 Degree 21269FG Fire Sprinkler Head phoenix key The WFD20N is a waterflowViking VK327, Model M, 4. 2K, Standard, Upright, QR, 1 2" NPT, Chrome, 286 Degree 21269FG Fire Sprinkler Head The Viking Microfast Quick Response Upright Sprinkler VK327 is a small, thermosensitive, glass bulb spray sprinkler available in several different finishes and temperature ratings to meet design requirements. The special Polyester and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where colors are desired. In