Defend Against Disaster

Fire Department Connections (FDCs) are the access points for firefighters to supplement additional water to a building's fire sprinkler system during a fire. Protect these vital protection systems with Knox locking FDC caps: FDC Locks and Storz Locks.

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FDC Locking Caps

Your selected fire department does not carry these products. Please reach out to your fire department to request them.

Why Are Fire Department Connections (FDCs) Important?

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The fire department connects to FDCs on your building to supplement water to your sprinkler system.
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Unprotected FDCs are vulnerable to vandalism and debris that can prevent the flow of water.
Diagram of FDC check valve
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Knox FDC Locks and Storz Locks protect connections and keep pipes clean ensuring the maximum flow of water to sprinklers.

Which FDC product is right for my building?

diagram of FDC product descriptions

Knox FDC Lock Features

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Secure locking FDC cap that can be accessed Fire Department personnel

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Swivel-Guard (Model #3041) provides enhanced security

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Built Knox-Rugged

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FDC Locks available in 2.5" and 1.5" NH sizes

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Stainless steel construction to withstand all weather conditions

Knox FDC Lock Benefits

  • Eliminates costly services to back flush the pipes due to debris
  • Ensures ready and reliable connections to fire sprinkler systems
  • Protects FDC swivel from theft, damage and vandalism
  • Protects check valves from freezing in cold climate areas

Knox FDC Lock Applications

Fire Department Connections (FDCs) are your building's lifeline to fire prevention. When FDCs are left unsecured, they are vulnerable to damage, debris and vandalism which can constrict the flow of water to:

  • Fire sprinkler protection systems
  • Standpipes located in parking garages and stairwells

Knox Storz Lock Features

icon of Knox user shared accessLarge FDC locking cap that can only be accessed by Fire Department personnel
icon of UL listed certificationAnodized aluminum, built Knox-Rugged
icon of Knox security cableKnox Storz Lock available in 4" and 5" sizes
elbow-adaptors.pngHighest security when equipped with optional alarm tamper alert

Knox Storz Lock Benefits

  • Eliminates costly services to back flush the system due to debris
  • Provides a ready and reliable connection to sprinkler systems
  • Protects large diameter Fire Department Connections
  • Keeps water connection clear of debris, animals, and vandalism
  • Ensures FDCs' operational integrity
  • Prevents water theft or loss in hydrant applications

Knox Storz Lock Applications

Fight fire with high-pressure water, every time. Knox Storz Lock cap protects large diameter FDCs from damage and vandalism on:

  • Fire hydrants
  • Fire sprinkler systems
  • Standpipes

Defend Against Disaster

Knox FDC Protection Solutions
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Videos
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FDC Protection (Knox FDC, Storz, Standpipe Locks)

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Knox Rapid Access Overview

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Building Fire Sprinkler Standpipe System Protection

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Thumbnail image for FDC Locks: Values, Myths and Implementation video

FDC Locks: Values, Myths and Implementation

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Image Gallery
Case Studies
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The "Weakest Link" in Fire Sprinkler Systems

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Obstructed FDCs Block Fire Attack

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Increasing Campus Safety at ASU

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FAQs
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