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  • Fire Sprinklers
    • Cover Plates
      • Cover Plate Finder
      • Flat
      • Domed
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      • Cleanroom
    • 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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      • Standard Head Guards
      • Heavy Duty Head Guards
      • 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
      • Paint Markers
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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
    • 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
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Fire sprinkler obstructions

#427 – 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.

Read More
QRFS Quick Finder for Fire Sprinkler Heads & More

#426 – 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!

Read More
adjustable fire sprinkler escutcheons

#425 – 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.

Read More
Missing fire sprinkler escutcheons

#424 – 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

#423 – 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.

Read More
QRFS international shipping

#422 — International Shipping of QRFS Fire Protection Products: FAQs

March 16, 2023

Learn about product compatibility, international shipping timelines, taxes, and reporting requirements for QRFS buyers outside of the US QRFS sells and ships products to buyers … Read more

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Fire sprinkler cover plate features

#421 – 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.

Read More

#420 – 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

#419 – 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

#418 – 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

#417 – 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.

Read More
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