Need a replacement fire sprinkler system part? Our trained staff will help you find the right part, the first time. Call us at 888-361-6662.

Viking FREEDOM Residential Fire Sprinkler 4.0K Concealed Horizontal Sidewall 165F | VK480 | 16116AC

Viking VK480 Residential Fast Response Concealed Horizontal Sidewall Fire Sprinkler activates at 165F (74C) to defend ordinary hazard residential occupancies against fire. Part number 16116AC is a UL-listed fire sprinkler with a 4.0K orifice and a 1/2" (12.7 mm) NPT connection.
Part Number Construction Connection Orifice
VK480CS165 Brass Body And Brass Deflector Ring 1/2" (12.7 mm) NPT 4.0K
Temperature Rating Approvals Cover Plate Activation Temperature Cover Plate Finish
165F (74C) cULus, NYC 135F (57C) Choice of White, Ivory, Black, Antique Brass, Brushed Brass, Brushed Chrome, Bright Brass, Polished Chrome, or Brushed Copper. Custom Finishes by Special Order.
Maximum Working Pressure Availability
175 PSI (12.1 BAR) Usually ships within 48 hours

Viking VK480 Residential Fire Sprinkler: 4.0K Concealed Horizontal Sidewall (165F)

Viking VK480 Residential Fast Response Concealed Horizontal Sidewall Fire Sprinkler delivers decorative, competitively-priced defense against fire in ordinary hazard residential occupancies such as homes, apartments, dormitories, and hotels.

Using a heat-activated soldered link and lever assembly, Viking's 16116AC automatic fire sprinkler opens when ambient temperatures reach 165F (74C), reducing the likelihood of flashover and facilitating safe evacuation. Each VK480 ships standard with:

  • The VK480 concealed pendent head
  • One protective cap
  • One 135F cover plate
  • A 3/4" pipe guide for use with CPVC pipe

What finishes are available for the VK480?

This concealed sidewall fire sprinkler includes a low-profile cover plate that mounts flush to nearby walls. Plates are available in a custom finish by special order, or in one of nine standard finishes, including:

  • White
  • Ivory
  • Black
  • Antique brass
  • Brushed brass
  • Brushed chrome
  • Bright brass
  • Polished chrome
  • Brushed copper.

To order the Viking VK480 with custom cover plates (or any finishes not listed here), contact us at 888.361.6662 or fill our our contact form.

When should the Viking VK480 be used?

When temperatures near the ceiling reach 135F (57C), the soldered cover plate detaches, exposing the head of the Viking VK480 concealed horizontal sidewall fire sprinkler, which activates when temperatures reach 165F (68C).The Viking Model VK480 has a 4.0 K-Factor and installs with 1/2" (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States.

With a maximum working pressure of 175 PSI (12.1 BAR), this horizontal sidewall sprinkler installs on a wall or the side of a beam where ceiling piping is not desirable and may be installed and used in accordance with NFPA 13, NFPA 13R, NFPA 13D and local fire code.

Each Model VK480 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years.This product is UL-listed, and appropriate for use in fire protection systems when accepted by the authority having jurisdiction.

How do I use the included installation hardware?

Viking provides a 3/4" pipe guide with each VK480 concealed pendent fire sprinkler. This guide helps installer keep the correct distance between the sprinkler and the face of a finished wall.

Simply slide the looped end over a vertical 3/4" CPVC pipe before connecting the sprinkler head (or any end fittings). Then, use the included screws to attach the guide to a stud (2-by-4), ensuring that the center of the fitting and the centerline of the sprinkler are no further than 6" apart. Then, finish the installation in accordance Viking's instructions, attaching the sprinkler and cover plate to the pipe with a threaded CPVC elbow.

Technical Documents

Click here to view the data sheet for the Viking VK480 Residential Fast Response Concealed Horizontal Sidewall Fire Sprinkler.

Write Your Own Review
You're reviewing:Viking FREEDOM Residential Fire Sprinkler 4.0K Concealed Horizontal Sidewall 165F | VK480 | 16116AC
Your Rating