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Concealed pendent fire sprinkler heads offer powerful fire protection while maintaining the clean, smooth appearance of a finished ceiling. These sprinklers are designed for installation in residential and commercial sprinkler systems, when both aesthetics and reliable performance are equally important. At QRFS, we stock thousands of industry-leading concealed pendent sprinkler heads from trusted brands like Viking Group, Reliable Sprinkler, Senju, Tyco, and Victaulic, available in a variety of finishes, K-factors, and temperature ratings.
Whether you’re outfitting a new residential sprinkler system or replacing a damaged or activated sprinkler in an existing installation, QRFS makes it easy to find the right part for your occupancy type and system design.
Concealed pendent sprinklers are engineered to deliver quick and effective fire suppression while blending seamlessly into the ceiling.
A cover plate hides the sprinkler until heat from a fire causes a soldered link on the cover to melt, allowing the cover to drop away. Once the sprinkler and its deflector are exposed, the sprinkler’s heat-sensitive element, either a thermosensitive glass bulb or a soldered link, senses the temperature and breaks or melts, releasing water. Cover plates always have an activation temperature that is equal to or lower than the sprinkler they conceal, so they drop away first during a fire, exposing the sprinkler head.
Because a concealed pendent sprinkler sits within a finished ceiling, it’s also protected from accidental damage while creating an aesthetic, modern look. These models are ideal for spaces where appearance is a priority, such as residential living areas, hotels, offices, and retail environments.
Key technical details to consider when choosing a sprinkler include its K-factor, NPT connection size, and temperature rating. Using the correct wrench and following the manufacturer’s installation instructions are also necessary to stay code-compliant and ensure a secure connection and optimal performance.
QRFS offers concealed pendent sprinkler heads from leading manufacturers known for quality and reliability. Options include:
Each sprinkler is tested and certified to meet strict safety standards, with all models being UL Listed and/or FM Approved. They are also manufactured to comply with NFPA standards, ensuring dependable performance when it matters most.
At QRFS, we don’t just supply fire sprinklers—we deliver exceptional expertise and support. We maintain a large inventory of concealed pendent fire sprinkler heads in stock, ready to ship promptly and help you complete your project without delay. Our team is here to help you find the right part number and match system specifications, as well as answer technical questions you may have.
Shop online now for industry-leading concealed pendent fire sprinkler heads, or you can explore our full selection of fire sprinkler heads, cover plates, or sprinkler system accessories. You can also return to the QRFS home page to see other fire protection equipment.
What is a concealed pendent fire sprinkler?
A concealed pendent sprinkler is a fire sprinkler designed to sit within a finished ceiling above a decorative cover plate, hiding most of the assembly from view. Only a flat or domed cover is visible until activation, helping maintain a clean ceiling appearance. These sprinklers are commonly used where aesthetics are a priority without sacrificing fire protection.
How do concealed pendent sprinklers operate in a fire?
Concealed sprinklers use a two-stage activation process involving both the cover plate and the sprinkler. When heat reaches a preset temperature, the cover plate detaches first, exposing the sprinkler. The sprinkler then activates shortly after, releasing water in a downward spray pattern.
Where are concealed pendent sprinklers typically installed?
They are frequently installed in offices, hotels, residential buildings, and retail spaces with finished ceilings. These environments benefit from concealed piping and minimal visual disruption. Their low-profile design makes them ideal for architecturally sensitive areas.
What finishes are available for concealed sprinkler cover plates?
The cover plates that hide concealed sprinkler heads are available in finishes such as white, chrome, brass, and custom-painted options. Many are designed to blend seamlessly with ceiling materials or décor. This allows designers and contractors to match sprinklers with interior aesthetics.
What temperature ratings are offered for concealed pendent sprinklers?
Concealed pendent sprinklers are available in multiple temperature ratings, typically aligned with ordinary and intermediate classifications. The cover plate and sprinkler element each have their own activation thresholds, with the plate releasing first, typically at a lower activation temperature. This staged response ensures proper timing and performance during a fire.
Are concealed pendent sprinklers suitable for residential systems?
Yes, many concealed pendent sprinklers are specifically listed for residential use. Brands like Senju, Tyco, Victaulic, Reliable, and Viking offer residential concealed models with the spray characteristics and fast response that prioritize life safety in residential systems. These sprinklers are commonly used in apartments, condos, and single-family homes.