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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
      • Recessed
      • Cabinet/Plastic
      • Hybrid and Other
    • Sprinkler Accessories
      • Sprinkler Extensions
      • 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
      • Plastic
      • Metal
      • Galvanized
      • Rod Buttons
    • Installation & Cutting
      • Pilot Clamps
      • Hole Saw Blades
      • Sealants and Greases
      • Boltbreakers
      • Tru Drill
      • Paint Markers
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      • Fasteners and Drivers
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      • Swivel Rings
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    • 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
      • Square ID Plates
      • Auto Spkr ID Plates
      • Standpipe ID Plates
      • Combination ID Plates
    • 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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      • Valve Wheel Wrenches
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Fire Sprinklers

#351 – A Guide to Viking Fire Sprinkler Heads

January 28, 2025June 30, 2020 by Jason Hugo
viking-sprinkler-heads-guide

Viking fire sprinkler heads fill many roles. QRFS outlines the features of 3 lines of Viking’s commercial fire sprinkler heads—Model M, XT1, and Mirage.

Categories Fire Sprinklers 4 Comments

#350 – Guide to Corrosion-Resistant Fire Sprinkler Heads

January 28, 2025June 23, 2020 by QRFS Team
Corrosion-Resistant Fire Sprinklers

Fire sprinkler heads corrode quickly in certain environments—here are the models that resist it Corrosion converts compounds such as iron, brass, and bronze from their … Read more

Categories Fire Sprinklers 8 Comments

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

January 29, 2025June 16, 2020 by QRFS Team
Custom Fire Sprinkler Cover Plates

How to order custom colors and finishes for fire sprinkler cover plates Unmatched fire sprinkler covers can stand out like a sore thumb on a … Read more

Categories Fire Sprinklers Leave a comment

#348 – Sprinkler Identification Numbers and SIN Directories

January 29, 2025June 12, 2020 by QRFS Team
Sprinkler Identification Numbers

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.

Categories Fire Sprinklers Leave a comment

#347 – Fire Sprinkler Manufacturers: Who Are They?

January 29, 2025June 2, 2020 by QRFS Team
Fire Sprinkler Manufacturers

A look at the global empires and family-owned businesses shaping fire protection Today’s fire sprinkler manufacturers—including those that largely serve the USA and Canada—may all … Read more

Categories Fire Sprinklers 2 Comments

#345 – How to Turn Off a Sprinkler Head with a Shutgun Sprinkler Stopper

January 29, 2025May 19, 2020 by QRFS Team
How to turn off a fire sprinkler head

A simple, effective fire sprinkler tool stops water fast Fire sprinklers are incredibly reliable and save lives, extinguishing fires or controlling them and buying time … Read more

Categories Fire Sprinklers Leave a comment

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

January 29, 2025May 5, 2020 by Jason Hugo
How to turn off a fire sprinkler head

Shutgun tools turn off activated fire sprinklers fast—and without impairing the system Whether it’s because of flying objects, coat hangers, careless construction workers, errant forklifts, … Read more

Categories Fire Sprinklers 2 Comments

#330 – Guide to Viking Fire Sprinkler Escutcheons

January 29, 2025March 5, 2020 by Jason Hugo
Guide to Viking Escutcheons

Escutcheons ensure proper timing and spray patterns for Viking sprinkler heads With 100 years in the fire protection business, Viking manufactures and sells some of … Read more

Categories Fire Sprinklers 6 Comments

#303 – What Causes a Fire Sprinkler to Activate?

January 30, 2025December 3, 2019 by Jason Hugo
What causes a fire sprinkler to activate?

Understanding how sprinklers work can help people protect their property with confidence. Learn exactly what sets off a fire sprinkler—and what doesn’t.

Categories Fire Sprinklers 2 Comments

#283 – Fire Sprinkler Head Replacement: Who is Authorized to Do It and How?

February 2, 2025October 16, 2019 by Jason Hugo
Fire sprinkler replacement — who can do it?

It’s time to replace your fire sprinkler heads. QRFS explains the equipment, NFPA standards, and procedures involved in repairing a sprinkler system.

Categories Fire Sprinklers 12 Comments

#282 – Central Sprinkler Company: Guide to Finding or Replacing Cover Plates and Heads

August 9, 2025October 15, 2019 by Jason Hugo
Central Sprinkler Company replacements

Recalls and the Tyco buy-out made Central Sprinkler Company’s products scarce. Here’s what we know about replacing Central Sprinkler heads and cover plates.

Categories Fire Sprinklers 6 Comments
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