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  • Fire Sprinklers
    • Cover Plates
      • Cover Plate Finder
      • Flat
      • Domed
      • Viking Cover Plates
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      • Reliable Cover Plates
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      • Cleanroom
    • Escutcheons
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      • Recessed
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      • Reliable Escutcheons
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    • Sprinkler Heads
      • Sprinkler Finder
      • Uprights
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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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      • Standard Head Guards
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      • 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
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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
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Most Recent Articles

California fire code

California Fire Code: The Essentials of Fire Sprinkler Maintenance

December 8, 2020

What are the fire sprinkler requirements in California? QRFS explains California Fire Code & breaks down the basic inspection, testing & maintenance rules.

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Replacement fire sprinkler escutcheons

Replacement Fire Sprinkler Escutcheons: Finding the Right Model

November 3, 2020

Finding the correct replacement fire sprinkler escutcheons can seem challenging, but read this post to simplify the process.

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Post indicator valve

A Guide to Post Indicator Valve Requirements

October 6, 2020

Learn when to use indicating valves on fire protection systems and how NFPA standards governing these devices have changed.

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Fire safety in churches and other houses of worship

Fire Safety in Churches, Temples, Mosques, and Synagogues

September 8, 2020

Learn the NFPA model code requirements for maintaining fire safety in churches, mosques, synagogues, and other houses of worship.

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authority having jurisdiction

When and How to Contact the Authority Having Jurisdiction

July 28, 2020

Learn when to contact your authority having jurisdiction—including for building permits, impairments, licenses, and other technical questions.

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Concealed sprinkler head vs recessed sprinkler head

Recessed vs. Concealed Sprinkler Heads: What’s The Difference?

July 21, 2020

Recessed sprinklers stay in sight. Cover plates hide concealed sprinklers. But learn why there’s more to these types sprinklers than meets the eye.

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Victaulic sprinkler heads

Victaulic Sprinkler Heads: A Guide to Different Models

July 14, 2020

Choosing fire sprinkler heads shouldn’t be hard. Learn about Victaulic sprinkler heads, including technical specs and global approvals.

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The Essential Guide to Tyco Sprinkler Heads

July 7, 2020

Choosing fire sprinklers shouldn’t be difficult. Learn about the broad selection of Tyco sprinkler heads for any application.

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A Guide to Viking Fire Sprinkler Heads

June 30, 2020

Viking fire sprinkler heads fill many roles. QRFS outlines the features of three lines of Viking’s commercial fire sprinkler heads—Model M, XT1, and Mirage.

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Corrosion-Resistant Fire Sprinklers

Guide to Corrosion-Resistant Fire Sprinkler Heads

June 23, 2020

In some environments, fire sprinklers corrode quickly. Learn about corrosion-resistant sprinkler heads that are listed to resist corrosion.

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Custom Fire Sprinkler Cover Plates

Custom Fire Sprinkler Covers: A Perfect Match to Your Wall or Ceiling

June 16, 2020

How to order custom finishes and colors for fire sprinkler cover plates that won’t detract from a flawless room.

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Sprinkler Identification Numbers

Sprinkler Identification Numbers and SIN Directories

June 12, 2020

Sprinkler identification numbers make code-compliant repairs and upgrades possible. Use our tables to quickly find the sprinklers, escutcheons, wrenches, and cover plates you need.

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Fire Sprinkler Manufacturers

Fire Sprinkler Manufacturers: Who Are They?

June 2, 2020

Learn about the history of fire sprinkler manufacturers serving the USA & Canada, including Reliable, Tyco, Viking, Victaulic & Senju.

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How to turn off a fire sprinkler head

How to Turn Off a Sprinkler Head with a Shutgun Sprinkler Stopper

May 19, 2020

Learn how to turn off a sprinkler head with the Shutgun fire sprinkler tool—and read a story about a contractor using one to avoid serious water damage.

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Fire Inspection Checklist

Preparing for a Fire Safety Inspection: A Fire Inspection Checklist

May 12, 2020

Learn how to prepare for a fire marshal inspection by knowing the basic requirements—and by utilizing this fire inspection checklist.

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How to turn off a fire sprinkler head

How to Turn Off a Sprinkler Head: Control Valves vs. Shutgun

May 5, 2020

To stop water from an activated fire sprinkler, you have two options: closing a control valve or using a sprinkler stopper. Learn which is best!

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