RASCO/Reliable® R1023, Model G, Upright, 4.2K, SR, 1/2" NPT, Brass, 212 Degree, GU27B, 5121112899, Fire Sprinkler Head 51-887-1-155 350 Cubic Feet - 38lb

350 Cubic Feet - 38lb

5 V (12V nominal) or 16 to 33 V (24 nominal)

Safe Signal PIBV2 Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV

Refer to NFPA 72 and 90A for additional duct smoke detector application information

Helps protect from vandalism and accidental damage

RASCO/Reliable® R1023, Model G, Upright, 4.2K, SR, 1/2" NPT, Brass, 212 Degree, GU27B, 5121112899, Fire Sprinkler Head 51-887-1-155 350 Cubic Feet - 38lbReliable 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