Viking® VK2753, Standard, Dry Sprinkler, 8.0K, Plain Barrel, Horizontal Sidewall, QR, 1” NPT, Nickel PTFE (ENT), 155 Degree, 18” Length, 21495UJNB18 Fire Sprinkler Head 13577w/b Operating Temperature Range: 32°F to

Operating Temperature Range:  32°F to 150°F (0°C to 66°C)​

Width - 8"

50-512-1-286

which is concealed above the ceiling

60-920-4-120

Viking® VK2753, Standard, Dry Sprinkler, 8.0K, Plain Barrel, Horizontal Sidewall, QR, 1” NPT, Nickel PTFE (ENT), 155 Degree, 18” Length, 21495UJNB18 Fire Sprinkler Head 13577w/b Operating Temperature Range: 32°F toViking VK2753, Standard, Dry Sprinkler, 8. 0K, Plain Barrel, Horizontal Sidewall, QR, 1 NPT, Nickel PTFE (ENT), 155 Degree, 18 Length, 21495UJNB18 Fire Sprinkler Head Viking Quick Response Ordinary Hazard Dry Horizontal Sidewall 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