Tyco® TY4951, Model TY-B, 8.0K, Pendent, SR, 1/2" NPT, Brass, 175 Degree, 57-561-1-175, Fire Sprinkler Head COMBO2-R-W-BB If your FDC measures 3"

If your FDC measures 3" across

Inside Diameter - 2 13/16"

For use with 401 steel cups

AF138732R9

49-424-4-125

Tyco® TY4951, Model TY-B, 8.0K, Pendent, SR, 1/2" NPT, Brass, 175 Degree, 57-561-1-175, Fire Sprinkler Head COMBO2-R-W-BB If your FDC measures 3"The TYCO Series TY B, 8. 0 K factor, Pendent 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 TY4951, Model TY B, 8. 0K, Pendent, SR, 1 2" NPT, Brass, 175 Degree, 57 561 1 175, Fire Sprinkler Head