A singlepiece side hidden pendant sprinkler engineered to provide discreet, reliable fire protection in ceilingmounted fire extinguishing systems. The compact, lowprofile design keeps the sprinkler visually unobtrusive while the pendant orientation delivers effective downward water distribution when activated at the specified temperature. Key benefits Discreet protection: side hidden/lowprofile appearance keeps ceilings neat and minimizes visual impact in finished interiors. Reliable activation: specified 57 Degrees activation point (model marked 'Under 57') designed to respond when needed to control or suppress fire. Simple supply: sold as 1 piece for direct replacement or singlepoint installation. Key attributes Type: Side hidden / pendent sprinkler head Quantity: 1 piece Activation rating: 57 Degrees (marked 'Under 57') Orientation: Pendent (downward discharge) Intended use: For fire extinguishing system protection How it solves common problems Keeps interiors clean and unobstructed while providing required fire suppression capability where a pendant sprinkler is needed. Easy to stage into maintenance or retrofit projects because it provides a single, directcomponent replacement option. Clear activation rating helps planners and technicians match sprinkler temperature performance to the environment. Typical applications Concealed ceiling installations in offices, hotel lobbies, or retail spaces where aesthetics are important. Residential or lightcommercial spaces requiring pendent sprinkler protection in finished ceilings. Retrofit or spotprotection work where a single, lowprofile pendent head is required for fire extinguishing systems. Installation and compatibility notes Designed for integration with standard fire extinguishing system piping as a pendent sprinkler head. Follow local codes and manufacturer instructions for correct mounting, orientation, and system commissioning. For safe and effective operation, have installation and maintenance performed by qualified fire protection professionals. This 1 Piece Side Hidden Pendent Sprinkler, 57 Degrees (Under 57), combines a low visual profile with dependable activation characteristics to provide targeted fire extinguishing system protection.