Senju® SS4423 Sidewall Sprinkler | Residential | 4.2K | White | 162F | 001-0411

Senju HF-RES (SS4423) Residential Flush Horizontal Sidewall Sprinkler

This Senju Model HF-RES Residential White Horizontal Sidewall Fire Sprinkler features a fusible link activating at 162F (72C) with a 4.2 K-Factor, and 1/2 in. NPT threads. Each flush sidewall fire sprinkler head features a Copper Alloy Body and Deflector. The frame and cover of the sprinkler hide the deflector and valve, allowing for optimal aesthetics within residential settings. The manufacturer part number is 001-0411 and the Sprinkler Identification Number (SIN) is SS4423.

The Model HF-RES Residential Sprinkler delivers decorative, affordable defense against fire and is designed for use in residential occupancies such as homes, apartments, dormitories, and hotels. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 162F (72C), drenching the area surrounding a fire to keep it in its place of origin. This model has a 4.2 K-factor, enabling smaller pipe sizes and water supply in a residential fire sprinkler system.

Senju HF-RES (SS4423) Residential Flush Horizontal Sidewall Sprinkler Head Listings and Approvals

Each HF-RES sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products. This residential flush sidewall fire sprinkler head maintains UL Listing.

The SS4423 is a residential sprinkler and is cULus listed for use when installed in accordance with NFPA 13 requirements for wet pipe sprinkler systems and designed for use in residential occupancies. This sidewall sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) UL Listed and connects to wet piping systems.

Senju HF-RES (SS4423) Residential Sidewall Sprinkler Head 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 and tighten to a maximum torque of 14 ft-lb (19 N-m). Refer to the data sheet for additional storage and installation information.

This flush sidewall sprinkler features a white finish and a 162F (72C) temperature. Available finish options include White, Black, Brown, and Chrome. It is available at a temperature of 162F (72C). Finish and temperature combinations available in the “Options” section at the top of this product page.

SS4423 listed accessories include the HF-H socket wrench, manufacturer part number (90000-003-0200), the HF-RES escutcheon, manufacturer part number (90000-004-0210), and the HF Cap Removal tool, manufacturer part number (90000-003-2000). This sprinkler head is commonly purchased with fire sprinkler head cabinets and sprinkler shut off tools. These products are available in the “Frequently bought together” products section at the top of this product page.