Senju® SS8464 Concealed Pendent Sprinkler | Residential | 4.9K | 162F | 001-1803

Senju RC-RES (SS8464) Residential Lead Free Concealed Pendent Sprinkler 

This Senju Model RC-RES Residential Lead Free Concealed Pendent fire sprinkler features a fusible link activating at 162F (72C) with a 4.9 K-Factor, and 1/2 in. NPT threads. Each concealed pendent sprinkler head features a Copper Alloy Body and Phosphorus Bronze Deflector. This sprinkler was designed to be covered by a Senju RC cover plate, allowing for optimal aesthetics and proper function within residential settings. The manufacturer part number is 001-1803 and the Sprinkler Identification Number (SIN) is SS8464.

The Model RC-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 4.9 K-factor, enabling smaller pipe sizes and water supply in a residential fire sprinkler system.

Senju RC-RES (SS8464) Residential Lead Free Concealed Pendent Sprinkler Head Listings and Approvals

Each RC-RES sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products. This lead-free concealed fire sprinkler head maintains UL Listing, EL-EU Listing (162F (72C) only), and NSF/ANSI/CAN 61, NSF/ANSI 372.

The SS8464 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 Pendent sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) UL Listed and connects to ceiling wet piping systems.

Senju RC-RES (SS8464) Residential Fire Sprinkler Concealed Pendent 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 concealed sprinkler head is available in two temperatures: 162F (72C) and 205F (96C) and must be paired with a Senju RC Cover Plate. These cover plates come in a variety of temperatures: 140F (60C) and 162F (72); shapes: Round and Square (white only); and finishes: White, Ivory, Nickel, Beige, Brown, Black, Copper, and multiple Wood Grain options. These are to be purchased with the sprinkler head – while adding a cover contributes to a residential fire sprinkler cost, it ensures the functionality while maintaining an aesthetically pleasing and discreet appearance. To choose your cover plate, find the “Options” section at the top of this product page.

Along with the required Cover Plate, SS8464 listed accessories include the NR-H socket wrench, manufacturer part number (90000-003-0400), the RC Cover Plate Installation Tool, manufacturer part number (90000-003-1000), and the RC Cap Removal tool, manufacturer part number (90000-003-3000). 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.