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  • Fire Sprinklers
    • Cover Plates
      • Cover Plate Finder
      • Flat
      • Domed
      • Viking Cover Plates
      • Tyco Cover Plates
      • Reliable Cover Plates
      • Victaulic Cover Plates
      • Senju Cover Plates
      • Cleanroom
    • Escutcheons
      • Escutcheon Finder
      • Recessed
      • Adjustable (401)
      • Split Ring (Retrofit)
      • One Piece
      • Institutional
      • Viking Escutcheons
      • Tyco Escutcheons
      • Reliable Escutcheons
      • Victaulic Escutcheons
      • Senju Escutcheons
      • Vaulted Ceiling
      • Extension Tubes
    • Sprinkler Heads
      • Sprinkler Finder
      • Uprights
      • Pendents
      • Concealed Pendents
      • Horizontal Sidewalls
      • Concealed Sidewalls
      • Residential
      • Standard Response (SR)
      • Quick Response (QR)
      • ESFR, EC, & Other
      • Institutional
      • Viking Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Reliable Fire Sprinklers
      • Senju Fire Sprinklers
    • Head Wrenches
      • Standard
      • Concealed
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      • Standard Head Guards
      • Heavy Duty Head Guards
      • Water Shields and Baffles
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      • Shutgun
    • System Components
      • Sprinkler Gauges
      • Flexible Drops
      • Drywall Access Doors
      • Pre-Assembled Risers
      • Cleaning Tools
      • Breakable Locks
  • Pipe
    • CPVC Fittings
      • Caps
      • Couplings
      • Adapters and Reducers
      • Elbows
      • Tees
      • Bushings
      • Pipe
      • Crosses
      • Cement
    • Grooved Fittings
      • Couplings
      • Adapters and Reducers
      • Caps
      • Mechanical Tees
      • Tees
      • Elbows
      • Crosses
      • Coupling Grease
    • Black Iron Fittings
      • Bushings
      • Nipples
      • Square Head Plugs
    • Wall Plates
      • Plastic
      • Metal
      • Galvanized
      • Rod Buttons
    • Installation & Cutting
      • Pilot Clamps
      • Hole Saw Blades
      • Sealants and Greases
      • Boltbreakers
      • Tru Drill
      • Paint Markers
    • Hangers and Fasteners
      • Riser Clamps
      • CPVC Hangers
      • Fasteners and Drivers
      • Beam Clamps
      • Swivel Rings
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      • Decals and Stickers
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  • Test & Monitor
    • Hydrostatic Test Pumps
    • Smoke Detector Testing
      • Smoke Detector Test Kits
      • Smoke Aerosols and Cartridges
      • Smoke Dispensers
      • Sensitivity Testers
      • Scorpion (Mounted)
    • CO Detector Testing
      • CO Detector Test Kits
      • CO Aerosols and Cartridges
      • CO Dispensers
    • Alarm Testing
      • Battery Testing
      • Duct Detector Testing
      • Sound & Voice Testing
    • Other Detector Testing
      • Heat Detector Test Kits
      • Heat Detector Testers
      • Universal Detector Test Kits
      • Detector Testing Equipment & Accessories
      • Removal and Cleaning
      • Batteries and Chargers
      • Access Poles
    • Gauges
    • Flow Testing
      • Flow Test Kits
      • Pitot Gauge Kits
      • Flow Testing Parts
    • Alarm Bells
      • 24V
      • 120V
      • Alarm Bell Accessories
    • Electronic Supervision
      • Flow Switches
      • Pressure Switches
      • Supervisory Switches
  • FDCs
    • Exposed Bodies
      • Angled
      • Straight
    • Concealed Bodies
      • Angled
      • Straight
    • Caps and Plugs
      • Breakable Caps
      • Plug and Chains
    • Snoots and Swivels
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      • Round ID Plates
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      • Auto Spkr ID Plates
      • Standpipe ID Plates
      • Combination ID Plates
    • Residential
  • Valves
    • Butterfly Valves
      • Grooved Butterfly Valves
      • Threaded Butterfly Valves
      • Wafer Butterfly Valves
    • OS&Y Valves
    • Other Control Valves
      • Powerball Valves
      • Gate Valves
    • Shotgun Riser Check Valves
    • Other Check Valves
      • Brass Check Valves
      • In-Line Check Valves
      • Swing Check Valves
    • Angle Valves
    • Testing & Maintenance
      • Pressure Relief Valves
      • Bleeder Valves
      • Three Way Valves
      • Ball Valves
      • Globe Valves
      • Ball Drip Valves
      • Auxiliary Drain Valves
      • Test and Drain Valves
    • Hose Valves
    • Valve Wrenches
      • Post Indicator Valve Wrench
      • Valve Wheel Wrenches
    • Valve Trim Kits
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      • Plastic Cap and Chain
      • Brass Cap and Chain
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Featured Articles

What type of Shutgun do I need?

June 9, 2025

The Shutgun stops activated fire sprinklers fast—but different models address different sprinkler types. Learn which models to use.

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NFPA 13 fire sprinkler hydraulic calculations with no density/area curves

Fire Sprinkler Hydraulic Calculations: What Happened to Density/Area Curves?

June 4, 2025

Density/area curves were a major feature of NFPA 13’s fire sprinkler hydraulic calculations—until the 2022 and 2025 editions. Here’s why they were removed and what replaced them.

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Home fire sprinkler maintenance

Home Fire Sprinkler Maintenance: Best Practices & Potential Issues

May 21, 2025

Fire sprinklers are incredibly reliable, but some home fire sprinkler maintenance is needed. Here are the best practices and what could go wrong without following them.

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Activated fire sprinkler

How do I stop a fire sprinkler from going off accidentally?  

May 19, 2025

Learn how to stop accidental fire sprinkler discharges BEFORE and AFTER they happen!

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Window sprinklers

What Are Window Sprinklers and When Are They Used?

May 8, 2025

Window sprinklers play a unique role in fire protection, enabling glass to become part of fire-rated barriers. Learn their purpose and rules.

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universal fire sprinkler head wrench

Can You Use a Universal Fire Sprinkler Head Wrench?

April 23, 2025

A universal fire sprinkler head wrench seems like a great idea, but NFPA mandates using sprinkler-specific wrenches. Learn why and when this tool might still have a role in your toolbox or sprinkler cabinet.

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NFPA 13 2025 changes part 2

NFPA 13 2025 Edition: Reviewing Major Changes, Part 2

April 9, 2025

Fire protection standards evolve every three years, and NFPA 13 2025 has some big changes. Learn about updates on protecting buildings with sloped and high ceilings.

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Changes to NFPA 13 2025 edition

NFPA 13 2025 Edition: Reviewing Major Changes, Part 1

March 26, 2025

The fire sprinkler industry is constantly evolving. Learn about some major updates in the NFPA 13 2025 edition, including new rules for dry and preaction systems and supplemental sprinklers.

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Fire sprinkler whips

Fire Sprinkler Whips: Pros, Cons, and Use Cases

March 12, 2025

Fire sprinkler whips, also called flexible drops, provide seismic protection advantages and save installers time and effort. Are they right for your project?

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Senju sprinkler part numbers

How to Understand and Use Senju Sprinkler Part Numbers

February 26, 2025

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Senju Sprinkler part numbers.

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Lead-Free Fire Sprinklers in Residential Systems: Purpose & Rules

January 29, 2025

Some residential sprinkler systems require lead-free fire sprinklers and other parts. Learn more about the laws that restrict lead in drinking water and when they apply to fire sprinklers.

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How to Understand and Use Viking Sprinkler Part Numbers

January 15, 2025

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Viking sprinkler part numbers.

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Explosion-proof equipment in fire protection

Explosion-Proof Equipment in Fire Protection Systems

January 1, 2025

In some hazardous environments, essential but standard fire protection devices could actually cause fires! Learn about explosion-proof equipment that helps prevent these issues, including flow switches, tamper switches, and other devices.

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Reliable sprinkler part numbers and short codes

How to Use Reliable Sprinkler Part Numbers & Short Codes

December 18, 2024

Fire sprinkler SINs are useful, but they don’t tell you everything. Here’s how to use Reliable Sprinkler part numbers & short codes.

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Concealed or exposed fire sprinkler

Can a Single Fire Sprinkler Model (SIN) Be Installed Concealed OR Exposed?

December 4, 2024

One unique sprinkler identification number (SIN) often indicates whether a sprinkler is a concealed or exposed model. But there are exceptions! Learn about dual-application versions and how to ID and order them properly.

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Buy American Made Fire Protection Equipment

How to Buy American-Made Fire Protection Equipment

November 20, 2024

American-made fire sprinklers and other fire protection parts aren’t hard to find! Learn how to comply with the Buy American Act and Build America, Buy America rules for qualifying fire protection projects.

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Fire sprinkler assembly

What is a Fire Sprinkler Assembly, and Why Is It Important?

November 6, 2024

NFPA standards and other documents reference the sprinkler assembly and specify which accessories must be part of it. Read this guide!

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Victaulic sprinkler part numbers

How to Understand and Use Victaulic Sprinkler Part Numbers

October 23, 2024

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Victaulic sprinkler part numbers.

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