Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 2.3K, No.21 Orifice, Angle 125, Teflon Coated Bronze, White, 49-421-4-125 flex Item: Smoke Detector Damage Stopper®

Item:  Smoke Detector Damage Stopper® with Conduit Spacer - Stainless Steel

1816172799

After installing the guard

Outside Diamter 3 5/16""

Tyco® Type D4a, Protectospray Directional Spray Nozzle, Open, Medium Velocity, 1/2” NPT, 2.3K, No.21 Orifice, Angle 125, Teflon Coated Bronze, White, 49-421-4-125 flex Item: Smoke Detector Damage Stopper®The TYCO Type D4a PROTECTOSPRAY Nozzles are open (non automatic) directional spray nozzles and they are designed for use in water spray fixed systems for fire protection applications. They are external deflector type nozzles that discharge a uniformly filled cone of medium velocity water droplets. The Type D4a Nozzles feature a four arm body design that helps assist against mechanical or physical damage similar to a sprinkler guard used on automatic