Viking® VK1021, Model XT1, 5.6K, Standard, Pendent, SR, 1/2" NPT, White, 200 Degree, 23868ME/W Fire Sprinkler Head SBH24 If you need hex wrench

If you need hex wrench for the cover tamper screws use part WFDW

Outside Diamter 2 3/4"

63-121-4-060

10360UG18 Fire Sprinkler Head

The regulator in the Model A PMD reduces higher pressure air or nitrogen to a level required by a dry pipe valve

Viking® VK1021, Model XT1, 5.6K, Standard, Pendent, SR, 1/2" NPT, White, 200 Degree, 23868ME/W Fire Sprinkler Head SBH24 If you need hex wrenchViking VK1021, Model XT1, 5. 6K, Standard, Pendent, SR, 1 2" NPT, White, 200 Degree, 23868ME W Fire Sprinkler Head The Viking VK1021 Standard Response Pendent Sprinkler is a small thermosensitive glass bulb spray sprinkler available with various 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 addition,