4" X 2-1/2" X 2-1/2" 90 Degree FDC GRV NST Connections

The 4" x 2-1/2" x 2-1/2" 90-Degree Fire Department Connection (FDC) serves as an auxiliary water inlet for commercial and municipal fire suppression systems. It installs directly into standpipe or sprinkler networks, allowing responding fire crews to pump emergency supplemental water seamlessly into the building's piping layout. The compact 90-degree body configuration mounts easily into tight mechanical spaces while maintaining unhindered flow control.

Designed in compliance with applicable NFPA guidelines, this FDC satisfies strict life safety code requirements for emergency fire department access. The unit carries strict UL Listings and FM Approvals, verifying full adherence to rigorous commercial fire protection manufacturing and performance standards.

Key Features & Construction

• Solid Brass Construction: Delivers exceptional corrosion resistance and long-term durability in demanding outdoor or mechanical environments.
• 90-Degree Configuration: Streamlines installation in complex or restricted piping layouts while minimizing pressure loss.
• Clapper Valve Control: Features single clapper valves on each outlet to efficiently manage directional water flow and prevent backflow.
• Optimized Weight: Weighs approximately 10.7 lbs for manageable handling during job-site rigging and installation.
• Standardized Connections: Incorporates compatible grooved and threaded connections for seamless integration into municipal fire safety networks.

Technical Specifications & Compliance Table

Contractors must verify local Authority Having Jurisdiction (AHJ) requirements—including specific regional thread options—and consult manufacturer technical data sheets prior to system installation.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)