RASCO/Reliable® R1021, Model G, Upright, 2.8K, SR, 1/2" NPT, Brass, 286 Degree, GU33B, 5128112499, Fire Sprinkler Head 23179BA/A High strength continuous hinge

High strength continuous hinge

Universal Button and Select-Alert

High quality graphite packing

5216112899

BE171132S9

RASCO/Reliable® R1021, Model G, Upright, 2.8K, SR, 1/2" NPT, Brass, 286 Degree, GU33B, 5128112499, Fire Sprinkler Head 23179BA/A High strength continuous hingeReliable Model G Series sprinklers are standard response standard spray automatic sprinklers using a solder capsule thermal element. The solder is captured in the cylinder of the capsule by a stainless steel ball. When the solder melts, the ball moves into the cylinder allowing the thermal element to fall away from the sprinkler. When this occurs, the compressed strut and lever spring free from the sprinkler. System pressure then clears the waterway