RASCO/Reliable® R1015, Model G Recessed, Pendent, 5.6K, SR, 1/2" NPT, Chrome, 165 Degree, GR1C, 5516323270, Fire Sprinkler Head GC51 Model F1Res Series sprinklers are

Model F1Res Series sprinklers are residential sprinklers with a 3 mm glass bulb operating element

Depth - 1 1/16"

RASCO/Reliable Model S-2 Water Shield

Victaulic V56 Open End Wrench

Polycarbonate with Backplate

RASCO/Reliable® R1015, Model G Recessed, Pendent, 5.6K, SR, 1/2" NPT, Chrome, 165 Degree, GR1C, 5516323270, Fire Sprinkler Head GC51 Model F1Res Series sprinklers areReliable 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