WP Window Series Sprinklers

Reliable® adds a flat plate concealed option to our line of best-in-class WP Series Window Protection Sprinklers.

  • Fast Response Specific Application Vertical Sidewall Pendent and Concealed Pendent Vertical Sidewall Sprinklers that are used with fixed glazed assemblies to create a cULus Listed alternative to a fire-rated wall.
  • Maximum working pressure 250 psi (17 bar)
  • For use with heat-strengthened, tempered, or stronger glass windows

WP56C

  • Industry-leading 10 ft (3.0 m) spacing and 20 gpm (75.7 l/min) min. flow per sprinkler
  • Rugged fusible link operating element
  • Sleek, smooth-edged, and durable cover plate available in a wide variety of finishes, including custom color matching to perfectly complement surrounding architectural finishes

WP56/WP56L

  • Industry-leading 12 ft (3.7 m) spacing 15 gpm (57 l/min) min. flow per sprinkler
  • Glass bulb or rugged fusible link operating elements
  • Sleek, aesthetically pleasing profile available in bronze, chrome, white polyester, and special finishes to complement architectural glazing
  • cULus Listed as corrosion resistant with ENT, white polyester or black polyester finish on WP56 glass bulb sprinkler
  • Open WP56/WP56L Series Window sprinklers may be used on a deluge system to protect a building exterior from fire from an adjacent building (exposure protection)

Installation examples:

Window Sprinklers installed on both sides of interior glazing.

Window Sprinkler installed on the interior side of glazing.

Open Window Sprinkler installed on the building exterior.
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