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  • Fire Extinguishers
    • Fire Extinguishers
      • ABC Dry Chemical
      • Carbon Dioxide (CO2)
      • Purple K
      • Fire Blankets
    • Mounting and Storage
      • Covers
      • Cabinets
      • Vehicle Brackets
      • Wall Brackets
    • Accessories
      • Decals
      • Tamper Seals
  • FDCs
    • FDC Bodies
      • Angled
      • Residential
      • Straight
      • Exposed
      • Flush
      • Storz
    • Snoots and Swivels
    • Caps and Plugs
    • Identification Plates
    • Signs
  • Fire Sprinklers
    • Heads
      • Uprights
      • Pendents
      • Concealed Pendents
      • Horizontal Sidewalls
      • Concealed Sidewalls
      • Residential
      • Senju Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Viking Fire Sprinklers
      • Reliable Fire Sprinklers
      • Obsolete
    • Cover Plates
      • Cleanroom
      • Domed
      • Flat
      • Reliable Cover Plates
      • Senju Cover Plates
      • Tyco Cover Plates
      • Victaulic Cover Plates
      • Viking Cover Plates
    • Escutcheons
      • Adjustable (401)
      • Extension Tubes
      • One Piece
      • Recessed
      • Split Ring (Retrofit)
      • Vaulted Ceiling
      • Reliable Escutcheons
      • Senju Escutcheons
      • Tyco Escutcheons
      • Victaulic Escutcheons
      • Viking Escutcheons
    • Trim Rings
    • Spare Head Cabinets
    • Guards and Shields
      • Heavy Duty Head Guards
      • Standard Head Guards
      • Water Shields and Baffles
      • Paint Covers
    • Installation Tools
      • Wrenches
      • Cover Plate Tools
      • Escutcheon Tools
    • Shut off Tools
      • Shutgun
    • Sprinkler Gauges
    • Flexible Drops
    • System Components
      • Drywall Access Doors
      • Pre-Assembled Risers
      • Sprinkler Extensions
      • Cleaning Tools
  • Fire Hose and Hydrants
    • Hose
      • Double Jacket Hose
      • Rack and Reel Hose
      • Single Jacket Hose
    • Hose Adapters and Reducers
    • Hose Nozzles
    • Hose Valves and Caps
    • Hydrant Caps
    • Hydrant Storz
    • Mounting and Storage
      • Covers
      • Pin Racks
      • Reels
    • Wrenches
  • Fire Signs
    • Fire Extinguisher Signs
      • Decals and Stickers
    • FDC Signs
      • Aluminum Plates
      • Aluminum Signs
      • Brass Plates
      • Chrome Plates
    • Sprinkler Signs
      • Aluminum Signs
      • Decals and Stickers
    • Egress and Exit Signs
    • Pipe Markers
      • Decals and Stickers
      • Wrap Around Pipe Markers
    • Sign Chain
  • Pipe
    • Black Iron Fittings
      • Bushings
      • Nipples
      • Square Head Plugs
    • CPVC Fittings
      • Adapters and Reducers
      • Bushings
      • Caps
      • Cement
      • Couplings
      • Elbows
      • Pipe
      • Tees
    • Gaskets and Flanges
    • Grooved Fittings
      • Adapters and Reducers
      • Caps
      • Couplings
      • Elbows
      • Mechanical Tees
      • Tees
    • Hangers and Fasteners
      • CPVC Hangers
      • Beam Clamps
      • Fasteners and Drivers
      • Riser Clamps
      • Swivel Rings
    • Paint Markers
    • Sealants and Greases
      • Coupling Grease
      • Cutting Oil
      • Sealant and Seal Tape
      • Sealant Brush
    • Seismic Bracing
    • Tools
      • Boltbreakers
      • Hole Saw Blades
      • Pilot Clamps
      • Tru Drill
    • Wall Plates
  • Test and Monitor
    • 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
    • Electronic Supervision
      • Alarm Bells
      • Flow Switches
      • Pressure Switches
      • Supervisory Switches
    • Gauges
      • Sprinkler Gauges
    • Hydrostatic Test Pumps
    • Flow Testing
      • Bleeder Valves
      • Hydrant Flow Nozzle
      • Pitot Blades and Handles
      • Pitot Gauges and Flow Test Kits
      • Sight Glass
      • Test Caps
  • Valves
    • Control Valves
      • Butterfly Valves
      • Powerball Valves
      • Gate Valves
      • OS&Y Valves
    • Angle Valves
    • Ball Drip Valves
    • Ball Valves
    • Bleeder Valves
    • Check Valves
      • Brass Check Valves
      • In-Line Check Valves
      • Riser Check Valves
      • Swing Check Valves
    • Globe Valves
    • Hose Valves
    • Pressure Relief Valves
    • Test and Drain Valves
    • Tools
      • Breakable Locks
      • Check Key for Backflow Valves
      • Post Indicator Valve Wrench
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Electrically operated fire sprinklers

#419 – What Are Electrically Operated Fire Sprinklers?

February 16, 2023February 1, 2023

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

Tags electrical fire sprinklers, electrically operated fire sprinklers, electrically operated sprinklers Leave a comment
Fire sprinkler acronyms

#418 – Explaining Fire Sprinkler Acronyms: ELO, ESFR & ECOH Sprinklers

March 1, 2023January 19, 2023

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

Tags ecoh sprinklers, elo sprinklers, esfr sprinklers Leave a comment
Fire sprinkler head replacement

#417 – Fire Sprinkler Head Replacement: Changes to NFPA 25 Rules

June 7, 2023January 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.

2 Comments
Tyco TY-B and TY-FRB fire sprinklers

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

December 29, 2022December 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!

Tags tyco fire sprinklers, Tyco TY-B, Tyco TY-FRB Leave a comment
NFPA logo

#415 – A Guide to Key NFPA 25 Changes in the 2023 Edition

May 7, 2023December 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.

1 Comment
Old fire sprinkler

#414 – Fire Sprinkler Testing Procedures & Replacement in NFPA 25

May 18, 2023November 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.

Tags fire sprinkler testing, NFPA 25 Leave a comment
Obsolete stamp

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

December 10, 2022November 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!

Leave a comment
CPVC pipe sitting among raw material

#412 – 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.

Tags CPVC, CPVC pipe and fittings, fire sprinkler systems 2 Comments
Fire Prevention Week 2022

#411 – The History and Successes of Fire Prevention Week™

October 9, 2022

Fire Prevention Week began 100 years ago. After a century of education, has fire safety improved? QRFS looks at the history of the event and its impact.

Tags Fire Prevention Week, NFPA Leave a comment

#410 – Comparing Tyco, Viking & Reliable Institutional Fire Sprinklers

May 28, 2023September 21, 2022

Institutional fire sprinklers help prevent tampering and self-harm. Learn about the features and specs for Tyco, Viking, and Reliable institutional-style models.

Tags fire sprinklers, institutional fire sprinklers Leave a comment
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