RASCO/Reliable® R3531, Model F1RES 44 HSW, Residential, Horizontal Sidewall, 4.4K, QR, 1/2" NPT, White, 175 Degree, 44W5N, CV538725S9, Fire Sprinkler Head 57-390-9-175 NFPA 13 and other applicable

NFPA 13 and other applicable standards

potassium and sodium potassium alloy fires

• Improved LED status

and NF Model Sprinklers - 90000-003-0300

RFC with wrench-able cap

RASCO/Reliable® R3531, Model F1RES 44 HSW, Residential, Horizontal Sidewall, 4.4K, QR, 1/2" NPT, White, 175 Degree, 44W5N, CV538725S9, Fire Sprinkler Head 57-390-9-175 NFPA 13 and other applicableModel F1Res Series sprinklers are residential sprinklers with a 3 mm glass bulb operating element. A variety of K Factors as well as recessed and conical concealed options are available as detailed in this Bulletin. Item: RASCO Reliable R3531, Model F1RES 44 HSW, Residential, Horizontal Sidewall, 4. 4K, QR, 1 2" NPT, White, 175 Degree, 44W5N, CV538725S9, Fire Sprinkler Head Available In Multiple Colors and Temperatures. See Other Configurations Drop