RASCO/Reliable® R1011, Model G, Pendent, 2.8K, SR, 1/2" NPT, Brass, 135 Degree, GP03B, 5213112499, Fire Sprinkler Head WFD30N Manufacturer Part Numbers: ST01000000

Manufacturer Part Numbers:  ST01000000

Manufacturer Part Numbers:  568921001

AJ15113998

BJ151139S8

RASCO/Reliable® R1011, Model G, Pendent, 2.8K, SR, 1/2" NPT, Brass, 135 Degree, GP03B, 5213112499, Fire Sprinkler Head WFD30N Manufacturer Part Numbers: ST01000000Reliable 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