Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, Brass, 286 Degree 10633AG Fire Sprinkler Head V207 or an S-2 water shield

or an S-2 water shield threaded onto 3/4” threads

Standard Coverage Pendent Sprinklers (see

12810UFD24 Fire Sprinkler Head

Item:  Tyco 56-001-0-686 W-Type 21 Fire Sprinkler Head Wrench

286 Degree 12986AGU Fire Sprinkler Head

Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, Brass, 286 Degree 10633AG Fire Sprinkler Head V207 or an S-2 water shieldViking VK531, Model M, ELO, Special Application, 11. 2K, Upright, QR, 3 4" NPT, Brass, 286 Degree 10633AG Fire Sprinkler Head The Viking Quick Response Extra Large Orifice Upright Sprinkler VK531 is a thermosensitive glass bulb spray sprinkler available in several different finishes and temperature ratings to meet design requirements. The extra large orifice provides greater flows at lower pressures than standard orifice or large orifice sprinklers.