Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, White, 175 Degree 10633MD/W Fire Sprinkler Head S325391000 6 is a thermosensitive solder

6 is a thermosensitive solder link spray sprinkler with a chrome finish and a 165°F temperature rating

Item:  Clock/Bell Damage Stopper® 14

and Australian WaterMark certified

155 Degree 10633AB Fire Sprinkler Head

57-393-5-155

Viking® VK531, Model M, ELO, Special Application, 11.2K, Upright, QR, 3/4" NPT, White, 175 Degree 10633MD/W Fire Sprinkler Head S325391000 6 is a thermosensitive solderViking VK531, Model M, ELO, Special Application, 11. 2K, Upright, QR, 3 4" NPT, White, 175 Degree 10633MD W 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.