Tyco® TY3331, Model TY-FRB, Poly-Stainless, 5.6K, QR, Horizontal Sidewall, 1/2" NPT, Grey, 155 Degree, 57-378-2-155, Fire Sprinkler Head valve Maximum Surge: 18 FPS

Maximum Surge:  18 FPS

Mounting Canopy

The Model XL Commercial is a quick response sprinkler with a fusible solder link thermal element designed for standard coverage applications

NPT stands for National Pipe Thread

Tyco® TY3331, Model TY-FRB, Poly-Stainless, 5.6K, QR, Horizontal Sidewall, 1/2" NPT, Grey, 155 Degree, 57-378-2-155, Fire Sprinkler Head valve Maximum Surge: 18 FPSThe TYCO Series TY FRB Poly Stainless Sprinklers are corrosion resistant sprinklers designed for use in commercial occupancies where corrosive atmospheres may exist. Item: Tyco TY3331, Model TY FRB, Poly Stainless, 5. 6K, QR, Horizontal Sidewall, 1 2" NPT, Grey, 155 Degree, 57 378 2 155, Fire Sprinkler Head Available In Multiple Colors and Temperatures. See Other Configurations Drop Down. SPEC SHEET WARNING: This product can expose you to chemicals