Tyco® TY4151, Model TY-B, 8.0K, Upright, SR, 3/4" NPT, Black, 155 Degree, 57-590-5-155, Fire Sprinkler Head coupling With exterior key lock and

With exterior key lock and enclosed back box with double-gang electrical box

They are standard response spray sprinklers which produce a hemispheri-cal water distribution pattern below the deflector

Item:  Tyco 56-000-6-838 W-Type 23 Fire Sprinkler Head Wrench

51-895-7-200

In addition

Tyco® TY4151, Model TY-B, 8.0K, Upright, SR, 3/4" NPT, Black, 155 Degree, 57-590-5-155, Fire Sprinkler Head coupling With exterior key lock andThe TYCO Series TY B, 8. 0 K factor, Upright Sprinklers described herein are standard response, standard coverage, decorative 5 mm glass bulb type spray sprinklers. They are designed for use in light, ordinary, or extra hazard commercial occupancies such as banks, hotels, shopping malls, factories, refineries, and chemical plants. Item: Tyco TY4151, Model TY B, 8. 0K, Upright, SR, 3 4" NPT, Black, 155 Degree, 57 590 5 155, Fire Sprinkler Head