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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
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      • Shutgun
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      • Sprinkler Gauges
      • Flexible Drops
      • Drywall Access Doors
      • Pre-Assembled Risers
      • Cleaning Tools
      • Breakable Locks
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      • Couplings
      • Adapters and Reducers
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      • Pipe
      • Crosses
      • Cement
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      • Adapters and Reducers
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      • Mechanical Tees
      • Tees
      • Elbows
      • Crosses
      • Coupling Grease
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      • Bushings
      • Nipples
      • Square Head Plugs
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      • Galvanized
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      • Tru Drill
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      • 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
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      • Heat Detector Testers
      • Universal Detector Test Kits
      • Detector Testing Equipment & Accessories
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      • 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
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      • Grooved Butterfly Valves
      • Threaded Butterfly Valves
      • Wafer Butterfly Valves
    • OS&Y Valves
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      • 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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Pipe

Malleable Iron vs. Ductile Iron vs. Cast Iron Fittings: A Guide

February 9, 2026November 19, 2025 by Phillip Dryden
Malleable vs ductile vs cast iron fittings in sprinkler systems

Iron fittings come in multiple varieties. Should you choose cast iron fittings, ductile iron, or malleable iron? Learn the NFPA rules and pros and cons of each.

Categories Pipe Leave a comment

Tyco BlazeMaster CPVC: Where to Buy After Tyco Stopped Selling It

February 9, 2026August 27, 2025 by Jason Hugo
Tyco BlazeMaster CPVC

Tyco BlazeMaster CPVC pipes & fittings are no longer sold by that fire protection manufacturer. Learn where and how you can still purchase this high-quality CPVC brand.

Categories Pipe Leave a comment

Fire Sprinkler Whips: Pros, Cons, and Use Cases

February 9, 2026March 12, 2025 by Phillip Dryden
Fire sprinkler whips

Fire sprinkler whips, also called flexible drops, provide seismic protection advantages and save installers time and effort. Are they right for your project?

Categories Pipe Leave a comment

BlazeMaster CPVC vs FlameGuard CPVC: The Differences

February 9, 2026August 28, 2024 by Phillip Dryden
BlazeMaster CPVC vs FlameGuard CPVC

FlameGuard and BlazeMaster CPVC pipe are both listed for fire protection use, so how different are they? Dive into their specs to see which orange pipe is on top!

Categories Pipe Tags CPVC pipe and fittings Leave a comment

What Are SDR Pipe Measurements in CPVC Fire Sprinkler Pipe?

February 9, 2026August 14, 2024 by Phillip Dryden
SDR pipe measurements fire sprinkler pipe

CPVC fire sprinkler pipe must be listed and use standard dimension ratio units rather than schedule. Learn about SDR pipe measurements and more!

Categories Pipe Tags CPVC fire sprinklers, CPVC pipe and fittings Leave a comment

How to Understand Tee Sizes: Mechanical, Straight & Reducing Tees

February 9, 2026May 22, 2024 by Phillip Dryden
Sizing reducing tees

Pipe tees can have three openings—and they can be different sizes and connection types. Here’s how to understand sizing for reducing tees, straight tees, and mechanical tees.

Categories Pipe Tags CPVC, cpvc tees, grooved pipes, mechanical tees, tees Leave a comment

Concentric Reducer vs Eccentric Reducer vs Reducing Coupling

February 8, 2026February 15, 2023 by Jason Hugo

Learn why installers use reducing couplings, concentric reducers, or eccentric reducers in fire protection grooved pipe systems.

Categories Pipe Tags concentric reducers, eccentric reducers, Grooved couplings Leave a comment

How to Avoid CPVC Pipe Problems Due to Chemical Incompatibilities

February 8, 2026October 27, 2022 by Phillip Dryden
CPVC pipe sitting among raw material

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.

Categories Pipe Tags CPVC, CPVC pipe and fittings, fire sprinkler systems 2 Comments

Rigid Coupling vs Flexible Coupling: When to Use Each

February 8, 2026June 21, 2022 by Phillip Dryden
Rigid and flexible couplings

The difference between a rigid vs flexible coupling in fire protection is subtle but important. Learn how rigid is used for standard joints while flexible offers seismic protection.

Categories Pipe Tags Grooved couplings 6 Comments

How to Select a Pipe Cover Plate: Understanding IPS Dimensions

February 8, 2026July 21, 2021 by Phillip Dryden

Nominal size is not *actual* size. If you forget this, you’ll end up with components that don’t match. QRFS explains how IPS and other measurements relate to actual size.

Categories Pipe 2 Comments

DeWALT Hangermate Fastener Tools Make Installing Threaded Rod Easy

February 8, 2026May 25, 2021 by Phillip Dryden
Installing threaded rod and pipe

Fastener tools like DeWALT HangerMate threaded rod anchors help you hang pipe or other equipment by drilling directly into structural members.

Categories Pipe Leave a comment

Which Fire Sprinkler Flex Drop Do I Need? Part 2

February 8, 2026November 17, 2020 by Jason Hugo
Fire sprinkler flex drops

NFPA 13 offers guidelines for easy, compliant, and safe fire sprinkler flex drop installations. Learn the rules before your next project!

Categories Pipe Leave a comment

Which Fire Sprinkler Flex Drop Do I Need? Part 1

February 8, 2026October 20, 2020 by Jason Hugo
fire sprinkler flex drop guide

Use this guide to select the right fire sprinkler flex drop for your fire sprinkler installation.

Categories Pipe Leave a comment

How to Use Pipe Riser Clamps

February 8, 2026September 22, 2020 by Jason Hugo
pipe riser clamp

To support vertical runs of pipe, riser clamps transfer the load to the building structure. QRFS explains how and where to install these devices.

Categories Pipe 2 Comments

How to Use Pipe Thread Sealant

February 8, 2026September 15, 2020 by Jason Hugo
How to use pipe thread sealant

Pipe thread sealant creates a water-tight seal in threaded pipe joints. Learn how to use pipe thread sealant and whether PTFE is the same as Teflon.

Categories Pipe 8 Comments

A Guide to Mechanical Tees for Fire Sprinkler Systems

February 8, 2026August 11, 2020 by Jason Hugo
Mechanical tee fire sprinkler

Mechanical tees make adding branch lines to fire sprinkler systems easy. Learn how mechanical tees work and how to install them.

Categories Pipe 3 Comments

Sprinkler System Drain Caps: Why Do You Need Them?

February 8, 2026August 4, 2020 by Jason Hugo
sprinkler system drain cap

Grooved drain caps make it simple to flush water from fire protection systems thoroughly, and also serve as transitional fittings. Learn more.

Categories Pipe Leave a comment

Sprinkler Pipe Fittings and Couplings: Types and Uses

February 8, 2026March 24, 2020 by Jason Hugo
Sprinkler Pipe Fittings Types

Learn why grooved pipe fittings mean faster installations—and couplings, tees & more sprinkler pipe fittings make installs easier.

Categories Pipe 8 Comments
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