Viking® VK353, Model M, 8.0K, Standard, Fusible Link, Pendent, QR, 3/4" NPT, Black PTFE, 165 Degree 18274NC Fire Sprinkler Head 3415 across the ceiling is not

across the ceiling is not desirable

Outside Diameter - 3 1/2"

57-393-0-175

the SSM series mount to a standard four-inch square electrical box

Viking® VK353, Model M, 8.0K, Standard, Fusible Link, Pendent, QR, 3/4" NPT, Black PTFE, 165 Degree 18274NC Fire Sprinkler Head 3415 across the ceiling is notViking VK353, Model M, 8. 0K, Standard, Fusible Link, Pendent, QR, 3 4" NPT, Black PTFE, 165 Degree 18274NC Fire Sprinkler Head Pendent, Microfast, Quick Response, 8. 0 K Factor, Large Orifice, Sprinkler, Light and Ordinary Hazard, (General reference only Always refer to technical datasheet for accurate listings and approvals) Available In Multiple Colors and Temperatures. See Other Configurations Drop Down. SPEC SHEET WARNING: This product can expose