Viking® VK178, Standard, Dry Sprinkler, 5.6K, Standard Adjustable, Horizontal Sidewall, QR, 1” NPT, Chrome, 155 Degree, 18” Length, 08384UFB18 Fire Sprinkler Head r1325 With exterior thumb lock and

With exterior thumb lock and enclosed back box

5421112899

Form "C" relay

Manufacturer Part Numbers:  15466

Model ESFR-22

Viking® VK178, Standard, Dry Sprinkler, 5.6K, Standard Adjustable, Horizontal Sidewall, QR, 1” NPT, Chrome, 155 Degree, 18” Length, 08384UFB18 Fire Sprinkler Head r1325 With exterior thumb lock andViking VK178, Standard, Dry Sprinkler, 5. 6K, Standard Adjustable, Horizontal Sidewall, QR, 1 NPT, Chrome, 155 Degree, 18 Length, 08384UFB18 Fire Sprinkler Head Viking Quick Response 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 entering the drop nipple