RASCO/Reliable® R1233, Model G, Horizontal Sidewall, 4.2K, SR, 1/2" NPT, Chrome, 286 Degree, GH37C, 5428212899, Fire Sprinkler Head alarm bell cage Unit Diameter: 4

Unit Diameter:  4

STI-1221A4X

95104 - 10lb - Clear Cover

Rugged corrosion-resistant zinc head and body are phosphate treated and epoxy finished

Manufacturer Part Numbers:  ST02000000

RASCO/Reliable® R1233, Model G, Horizontal Sidewall, 4.2K, SR, 1/2" NPT, Chrome, 286 Degree, GH37C, 5428212899, Fire Sprinkler Head alarm bell cage Unit Diameter: 4Reliable 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