Fire Sprinkler Head, TYCO Model RFII Pendent Concealed, TY3531 and TY3551 High Pressure, 5.6K, 1/2", Pendent - Available In Multiple Configurations Configurations:TY3531 - 155 Degree - 51-792-1-155 standard and quick response upright

standard and quick response upright and pendent frame style sprinklers

secured with four captured screws to prevent screw misplacement while the cover is removed

Chrome - 155 Degree - Red Bulb - 24 Inch Length - 07740UFB24

NPT stands for National Pipe Thread

Each set includes (1) 402 Cup

Fire Sprinkler Head, TYCO Model RFII Pendent Concealed, TY3531 and TY3551 High Pressure, 5.6K, 1/2", Pendent - Available In Multiple Configurations Configurations:TY3531 - 155 Degree - 51-792-1-155 standard and quick response uprightFire Sprinkler Head, TYCO Model RFII Pendent Concealed, TY3531 and TY3551 High Pressure, 5. 6K, 1 2", Pendent Available In Multiple Configurations The TYCO Series RFII 5. 6 K factor, Royal Flush II Concealed Pendent Sprinklers Quick Response (3 mm bulb) and Standard Response (5 mm bulb), are decorative sprinklers featuring a flat cover plate designed to conceal the sprinkler. These sprinklers are optimal for architecturally sensitive areas such as