1 Piece Sprinklers Side Hidden Fire Sprinkler — 57 Degrees Pendent (Under 57) Overview A singlepiece, sidehidden pendent sprinkler designed for use in fire extinguishing systems and protection sprinkler head installations. This compact, lowprofile unit combines concealed installation with a pendent spray pattern to protect spaces where a discreet appearance and reliable downward water distribution are required. Key benefits — why you need it Concealed appearance: Side hidden design reduces visual impact while leaving the operative sprinkler element accessible for performance. Ideal when aesthetic considerations matter. Reliable downward coverage: Pendent orientation directs water downward to control and suppress fires quickly where overhead coverage is needed. Singlepiece construction: A 1 piece design simplifies installation and reduces potential leak points compared with multicomponent assemblies. Clear activation threshold: Identified as 57 Degrees (Under 57) to match required system design parameters. Features and attributes Unit count: 1 Piece Style: Side Hidden — lowprofile/concealed installation Orientation: Pendent — delivers water downward from ceilingmounted position Activation: 57 Degrees (noted as 'Under 57' in model description) Application: For fire extinguishing system protection sprinkler head installations Installation: Designed for standard concealed/sidemounted pendent installations (follow applicable codes and system requirements) How it solves common problems Hides visible sprinkler components while maintaining certified sprinkler performance (maintaining system aesthetics without sacrificing protection). Provides predictable, downward spray for effective suppression in typical room and corridor layouts. Simplifies inventory and installation with a singlepiece unit that integrates the parts into one component. Typical use cases Office and retail spaces where ceiling aesthetics are important and concealed sprinklers are preferred. Corridors, lobbies, and residential areas requiring pendent spray distribution with a lowprofile head. Retrofit projects where replacing visible heads with a sidehidden pendent unit improves appearance without major ceiling work. Compatibility and installation notes Intended for integration into fire extinguishing systems and protection sprinkler head networks; ensure compatibility with your system piping, pressure, and hydraulic design before installation. Installation must follow applicable local codes, standards, and the system designer's specifications. Use appropriate escutcheons or trim plates as required for concealed mounting. For precise mounting, connection threads, and material specifics, refer to the manufacturer's technical data and installation instructions. Performance and maintenance Designed for dependable operation as part of an active fire protection system when installed and maintained according to standards. Regular inspection and professional maintenance of the overall fire extinguishing system are required to ensure continued reliability and compliance. Ordering and specification reminders Confirm the '57 Degrees (Under 57)' activation characteristic aligns with your design temperature and code requirements. Verify that the side hidden pendent style matches the ceiling type and trim requirements for your project. This 1 Piece Side Hidden Fire Sprinkler 57 Degrees Pendent (Under 57) offers a practical balance of concealed appearance, pendent water distribution, and straightforward installation for fire protection applications.