1 Piece Sprinklers Side Hidden Fire Sprinkler 57 Degrees Pendent (On 57) A compact, professionalgrade pendent sprinkler designed for concealed or lowprofile installations. The onepiece, sidehidden design keeps the sprinkler head discreet while providing dependable fire protection for buildings that require a clean ceiling appearance without sacrificing performance. Key benefits Discreet protection: Side hidden pendent design keeps the sprinkler head lowprofile and visually unobtrusive, preserving interior aesthetics in finished ceilings and decorative spaces. Dependable operation: Built and configured as a singlepiece unit to provide a reliable mechanical assembly for fire extinguishing systems. Clear temperature reference: Marked 57 Degrees for consistent identification and selection during design, installation, and maintenance. Easy integration: Intended for use with fire extinguishing systems that accept pendentstyle sprinkler heads, simplifying retrofits and installations. Primary features Configuration: Pendent orientation for downward spray pattern appropriate to ceilingmounted systems. Construction: Onepiece sprinkler head for simplified installation and reduced component complexity. Style: Side hidden design suited to concealed or semirecessed ceiling installations where visual impact must be minimized. Identification: Labeled '57 Degrees / (On 57)' to match system specifications and layout requirements. Where this product works well Hotels, banquet halls and restaurants where a lowprofile sprinkler is required to preserve interior design. Residential and multifamily buildings with finished ceilings and concealed sprinkler installations. Office spaces, corridors and retail environments that need reliable fire protection without visible sprinkler hardware. Why customers choose this sprinkler It balances visual discretion with the functional requirements of a pendent fire sprinkler. Onepiece construction reduces installation steps and potential leak points compared with multipiece assemblies. Clear temperature marking helps installers and inspectors ensure correct placement and system compatibility. Installation and compatibility notes Intended for use in fire extinguishing systems designed for pendent sprinkler heads; verify system compatibility and local code requirements before installation. Install per applicable standards and manufacturer instructions. Confirm the 57 Degrees specification matches the project's thermal selection criteria. This side hidden, onepiece pendent sprinkler (On 57) is a practical choice when you need concealed, dependable fire protection with straightforward installation and clear specification labeling.