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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)
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      • One Piece
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      • Reliable Escutcheons
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    • 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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      • Cabinet/Plastic
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    • Sprinkler Accessories
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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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      • Beam Clamps
      • Swivel Rings
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      • Aluminum Signs
      • 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
    • Identification Plates
      • Round ID Plates
      • Square ID Plates
      • 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
  • Fire Hose & Hydrants
    • Hose Caps
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Featured Articles

Tyco sprinkler data sheet

How to Read a Tyco Sprinkler Data Sheet

July 19, 2023

Reading fire sprinkler data sheets doesn’t have to be a head-scratching experience. Here’s how to read a Tyco sprinkler data sheet.

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Reading Viking fire sprinkler data sheet

How to Read a Viking Fire Sprinkler Data Sheet

July 5, 2023

Fire sprinkler data sheets seem confusing but they’re easy if you know what to look for. Here’s how to read Viking fire sprinkler data sheets.

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What is fire sprinkler k-factor?

What is a Fire Sprinkler K-Factor? And Which K-Factor Do I Have & Need?

June 21, 2023

Fire sprinkler K-factor is crucial for system performance and protection. Learn what it is, why it’s essential, and how to find the right sprinkler.

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Fire sprinkler obstructions

Fire Sprinkler Obstructions: The Rules for Nonstructural Objects

June 7, 2023

Avoiding fire sprinkler obstructions is essential—but when do smaller objects like smoke detectors block sprinklers? QRFS explains the rules.

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QRFS Quick Finder for Fire Sprinkler Heads & More

Easily ID Fire Sprinkler Heads & More with QRFS Quick Finder!

May 25, 2023

Finding and buying the correct fire sprinkler heads, escutcheons, covers, and wrenches can take a little research. Learn how QRFS’s Quick Finder makes it simple!

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adjustable fire sprinkler escutcheons

Escutcheon Adjustment Ranges & Types of Adjustable Fire Sprinkler Escutcheons

April 26, 2023

Many fire sprinkler escutcheons provide some leeway. Learn about fire sprinkler escutcheon adjustment types and which one you need.

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Missing fire sprinkler escutcheons

Missing Fire Sprinkler Escutcheons: The Real Impacts on Performance

April 12, 2023

When and why do you have to replace missing fire sprinkler escutcheons? QRFS explains the rules and reasons, examining the potential impacts on spray patterns and activation.

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Oversized hole cut for fire sprinklers

Fire Sprinkler Trim Rings Fill Big Gaps in Ceilings & Walls

March 29, 2023

Fire sprinkler trim rings help cover holes that are too big for escutcheons or covers. Learn about metal & Kydex options for oversized wall and ceiling sprinkler penetrations.

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Fire sprinkler cover plate features

Understanding Fire Sprinkler Cover Plate Features & Variations

March 1, 2023

Cover plates for concealed fire sprinklers come in different shapes, sizes & more. Learn what the options mean so you can pick the right cover plate for the job.

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Concentric Reducer vs Eccentric Reducer vs Reducing Coupling

February 15, 2023

Learn why installers use reducing couplings, concentric reducers, or eccentric reducers in fire protection grooved pipe systems.

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Electrically operated fire sprinklers

What Are Electrically Operated Fire Sprinklers?

February 1, 2023

Electrically operated fire sprinklers are the latest technology for protecting high-challenge environments. Learn how they work and must be maintained.

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Fire sprinkler acronyms

Explaining Fire Sprinkler Acronyms: ELO, ESFR & ECOH Sprinklers

January 19, 2023

What’s the difference between ESFR sprinklers, ECOH sprinklers, and ELO sprinklers? QRFS explains these confusing fire sprinkler acronyms.

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Fire sprinkler head replacement

Fire Sprinkler Head Replacement: Changes to NFPA 25 Rules

January 11, 2023

The rules for fire sprinkler head replacement when you find paint, loading, or corrosion have gotten looser over the years. Learn when new sprinklers are necessary.

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Tyco TY-B and TY-FRB fire sprinklers

Explaining Changes to TY-B and TY-FRB Series Tyco Fire Sprinklers

December 21, 2022

Tyco made slight changes to its TY-B & TY-FRB Series in the past decade. Here’s how to choose the right sprinklers & compatible escutcheons!

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NFPA logo

A Guide to Key NFPA 25 Changes in the 2023 Edition

December 7, 2022

Learn about some of the biggest NFPA 25 changes in the 2023 edition, including rules on antifreeze fire sprinklers, foam fire suppression systems, testing intervals, and more.

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Old fire sprinkler

Fire Sprinkler Testing Procedures & Replacement in NFPA 25

November 23, 2022

Fire sprinkler testing happens decades after installation for most but not all sprinklers. Learn the NFPA 25 testing & replacement rules and what labs assess.

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Obsolete stamp

How to Replace Old Residential Fire Sprinkler Heads with Different or Missing K-Factors

November 8, 2022

Replacing residential fire sprinkler heads can be challenging when you don’t know the K factor of the sprinkler, or it’s a discontinued model. Read this guide to learn how!

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CPVC pipe sitting among raw material

How to Avoid CPVC Pipe Problems Due to Chemical Incompatibilities

October 27, 2022

CPVC fire sprinkler pipe has many advantages over other materials but must be installed right. Learn about chemical incompatibilities & how to avoid CPVC pipe problems.

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