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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
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      • Extension Tubes
    • Sprinkler Heads
      • Sprinkler Finder
      • Uprights
      • Pendents
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      • 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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    • Sprinkler Accessories
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      • Installation Tools
      • Trim Rings
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      • Paint Covers
      • Standard Head Guards
      • Heavy Duty Head Guards
      • Water Shields and Baffles
    • Shut off Tools
      • 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
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    • 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
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    • Other Detector Testing
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      • Detector Testing Equipment & Accessories
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      • Batteries and Chargers
      • Access Poles
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      • 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
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      • Grooved Butterfly Valves
      • Threaded Butterfly Valves
      • Wafer Butterfly Valves
    • OS&Y Valves
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      • 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
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      • Valve Wheel Wrenches
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Most Recent Articles

smoke detector tester and co detector tester

Carbon Monoxide & Smoke Detector Testers: How Long Do They Last?

August 14, 2025

Smoke and CO detector testers are essential for verifying that alarm systems function properly. But know the shelf life of smoke and CO cartridges!

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Preaction sprinkler system

Air Maintenance Devices & Fire Sprinkler Systems: The Basics

July 30, 2025

Air maintenance devices are essential components of dry and preaction sprinkler systems. Learn how they work and fit into these systems.

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Corrosion-Resistant Fire Sprinklers: How to Choose a Finish

July 17, 2025

With so many corrosion-resistant fire sprinklers available, how do you choose one? Different environments can require different coatings or materials.

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Viking InstaSeal sprinklers

Viking InstaSeal: How to Order Compatible Fire Sprinklers

July 2, 2025

Viking’s InstaSeal® welded outlets allow hand-tightening fire sprinklers—but you have to have the right caps to do it. Learn how to ID and order the right sprinklers.

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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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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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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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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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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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