RASCO/Reliable® R1011, Model G Recessed, Pendent, 2.8K, SR, 1/2" NPT, Brass, 135 Degree, GR03B, 5513342470, Fire Sprinkler Head 88709001 The Reliable Model P22 is

The Reliable Model P22 is an Early Suppression Fast Response (ESFR) fire sprinkler with a nominal K-factor of 22

Hose for use with Amerex fire extinguisher models:  A411

Combination of siren and flashing LEDs

Electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices

Escutcheon Sold Separately - Escutcheon Link

RASCO/Reliable® R1011, Model G Recessed, Pendent, 2.8K, SR, 1/2" NPT, Brass, 135 Degree, GR03B, 5513342470, Fire Sprinkler Head 88709001 The Reliable Model P22 isReliable 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