Reliable™ R3125 Upright Fire Sprinkler Head
This Reliable™ R3125 Chrome Quick Response Upright Fire Sprinkler features a fusible link activating at 212F (100C) with a 5.6 K-Factor, and 1/2 in. NPT threads. Each upright head features a brass frame and brass deflector. The manufacturer part number is GFRU2C, and the Sprinkler Identification Number (SIN) is R3125.
Using a heat-activated fusible link assembly, this automatic fire sprinkler opens when ambient temperatures reach 212F (100C), drenching the area surrounding a fire to keep it in its place of origin.
Reliable™ Upright Fire Sprinkler R3125 Sprinkler Head Listings and Approvals
Each R3125 sprinkler is made by Reliable™, a global leader in fire-suppression products. This upright fire sprinkler head maintains Approvals or Listings from UL and cULus.
The R3125 is a commercial sprinkler and is UL Listed for use when installed in accordance with NFPA 13 requirements for wet pipe sprinkler systems and designed for use in commercial occupancies. This upright sprinkler head has a maximum working pressure of 175 PSI and connects to wet piping systems.
Reliable™ R3125 Upright Sprinkler Installation and Other Information
During installation be aware that over tightening will cause permanent damage to the 1/2 in. NPT threads and/or the fire sprinklers themselves. Use the manufacturer-approved installation wrench — Model W2 — and tighten to a maximum torque as specified by Reliable. Refer to the data sheet for additional storage and installation information. If an upright sprinkler head is not installed properly, it may not work as intended.
This upright sprinkler features a chrome finish and a 212F (100C) temperature. Available finish options include Chrome, Brass, and White Polyester. Temperature options include 165F (74C) and 212F (100C).
R3125 listed accessories include the Sprinkler Wrench Model W2, C-3 Guard with Shield (cULus, FM), D-1 Guard, and D-3 Guard with Shield (cULus).
