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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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      • Cabinet/Plastic
      • Hybrid and Other
    • Sprinkler Accessories
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      • Installation Tools
      • Trim Rings
      • Spare Head Cabinets
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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
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      • Galvanized
      • Rod Buttons
    • Installation & Cutting
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      • Hole Saw Blades
      • Sealants and Greases
      • Boltbreakers
      • Tru Drill
      • Paint Markers
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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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      • Standpipe ID Plates
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    • Residential
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    • 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
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      • Post Indicator Valve Wrench
      • Valve Wheel Wrenches
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Most Recent Articles

Flush sprinkler escutcheon vs flush sprinkler escutcheon

“Flush” vs Flush Sprinkler Escutcheons: What Must Be Listed?

October 9, 2024

The term “flush sprinkler escutcheon” can mean two different things in fire protection, and only one needs a listing. Learn to spot the difference!

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Tyco sprinkler part number

How to Understand and Use Tyco Sprinkler Part Numbers

September 25, 2024

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

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Quick response and standard response fire sprinklers

How Can the Same Fire Sprinkler Be Quick *and* Standard Response?

September 11, 2024

Some fire sprinklers can be rated quick and standard response despite having the same physically designed thermal sensitivity. Learn why!

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Fusible link sprinkler head vs glass bulb sprinkler

#455 – Fusible link sprinkler head vs glass bulb sprinkler: the differences

July 3, 2024

Fusible link fire sprinkler heads and glass bulb sprinklers are extremely similar, but some considerations exist. Learn the differences and when they matter.

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VK3001 vs TY313 vs V2704 vs RA1425

Sprinkler Showdown: VK3001 vs TY313 vs V2704 vs RA1425

June 19, 2024

How can you choose between quick-response, standard coverage, 5.6K upright sprinklers? QRFS referees a showdown between Viking, Tyco, Victaulic, and Reliable.

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bspt vs npt fire sprinklers

BSPT vs NPT Fire Sprinkler Head Sizes: Know the Difference

May 8, 2024

BSPT vs NPT standards for tapered pipe threads govern fire sprinkler sizes. Learn about the differences, where each is used, and how to get the right part.

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QRFS fire protection maintenance ebook

Why Building Owners & Managers Must Maintain Fire Protection Systems!

April 23, 2024

Many building owners and managers know they must maintain fire protection systems, but many aren’t aware of some hidden issues and all the risks of not doing it. QRFS explains common compliance gaps and potential consequences.

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VK3021 vs TY323 vs V2708 vs RA1414

Sprinkler Showdown: VK3021 vs TY323 vs V2708 vs RA1414

April 10, 2024

How can you choose between quick response pendent 5.6k fire sprinklers? QRFS compares Viking, Tyco, Victaulic, and Reliable models.

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How to install head guards

How to Install and Replace Fire Sprinkler Head Guards

March 14, 2024

Fire sprinkler head guards protect sprinklers from damage—here’s how to replace them or install new ones with different attachment styles.

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Fire protection vs life safety

Fire Protection vs Life Safety: What’s the Difference?

February 28, 2024

The terms fire protection and life safety overlap but are distinct. Learn about this close relationship and the differences.

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Wall hydrant vs FDC

Wall Hydrants vs Fire Department Connections: What’s the Difference?

January 31, 2024

Wall hydrants look similar to FDCs but flow water the other way. Learn how each works, when they’re needed, the maintenance requirements, and more.

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Cleaning fire sprinklers

Cleaning Fire Sprinklers Without Using the SprinklerVac

December 20, 2023

A popular touchless cleaning tool is off the market—so how do you clean fire sprinklers while staying NFPA-compliant? Review the options in this blog.

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What are UL standards for fire protection

What Are UL Standards for Fire Protection?

December 6, 2023

UL standards help ensure safe and reliable fire protection equipment. Learn about the process and documents, focusing on UL 199 and fire sprinklers.

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Missing FDC caps or plugs

How to Replace an FDC Cap or FDC Plug

November 22, 2023

Fire department connections must remain covered to protect the system’s pipe and water supply. Here’s how to replace FDC plugs and caps.

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How to replace a fire sprinkler cover plate

How to Replace a Fire Sprinkler Cover Plate

November 8, 2023

Learn about how to remove and install concealed fire sprinkler cover plates—and why—with this step-by-step guide.

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Recessed fire sprinkler escutcheon

How to Replace a Recessed Fire Sprinkler Escutcheon

October 25, 2023

Replacing recessed fire sprinkler escutcheons can be easy or complex. QRFS reviews how to install skirts or the whole escutcheon, both listed and split-ring models.

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