RASCO/Reliable® R1233, Model G, Horizontal Sidewall, 4.2K, SR, 1/2" NPT, Chrome, 286 Degree, GH37C, 5428212899, Fire Sprinkler Head alarm bell cage plug-in and non plug-in with

plug-in and non plug-in with one another and with other switch brands

Unit Diameter:  4

Manufacturer Part Numbers:  ST02000000

Heavy-Duty option

95104 - 10lb - Clear Cover

RASCO/Reliable® R1233, Model G, Horizontal Sidewall, 4.2K, SR, 1/2" NPT, Chrome, 286 Degree, GH37C, 5428212899, Fire Sprinkler Head alarm bell cage plug-in and non plug-in withReliable 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