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3" (76.2 mm) Grooved Check Valve Ductile Iron - UL & FM Approved!SKU#: 300GCV$99.99 As low as $84.99 -
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Victaulic 135F (57C) Bright White Cover Plate for Model V38 Fire SprinklersSKU#: FCPWH135$10.99 As low as $7.69 -
Victaulic 135F (57C) Off-White Cover Plate for Model V38 Fire SprinklersSKU#: FCPOW135$10.99 As low as $7.69 -
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Reliable G5 Cover Plate | Chrome | 135F | Formerly G4, G4A, and RFCSKU#: RLG4CH$12.99 As low as $9.09 -
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Tyco 139F (59C) Bright White Cover Plate for Model LFII Fire SprinklersSKU#: TYCOLFII$10.99 As low as $7.69
Recent Blogs
#395 – Fire and Building Codes for Senior Housing and Other Facilities
Learn about the fire code requirements for residential board and care occupancies, including senior housing and other facilities.
#394 – Thank You for Fire Protection: The Victory Centre of Park Forest
Learn how a working sprinkler system in a senior community stopped a cooking fire in its tracks, saving lives and property.
#393 – The Basics of CMDA, CMSA, In-Rack, and ESFR Storage Sprinklers
Learn how storage fire sprinklers like CMDA, CMSA, and ESFR models protect challenging warehouse environments from fires.
#392 – How To Size a Fire Pump and the Basics of Performance Curves
Fire pumps are vital equipment for fire sprinkler systems. Learn how to read a fire pump performance curve and size a fire pump.
#391 – How to Tell if Your Fire Sprinklers Need Cleaning or Replacement
Dirty fire sprinklers are a common code compliance problem. Learn how and when to clean fire sprinklers to stay safe and pass inspection.
#390 – The Difference Between Standard Response and Quick Response Sprinklers
Learn what’s unique about standard and quick response sprinklers, along with how residential sprinklers differ from both—even though many people confuse the terms.
#389 – How to Select a Pipe Cover Plate: Understanding IPS Dimensions
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.
#388 – A Home Fire Safety Checklist and Planning Guide
Use this checklist to prepare for and prevent house fires. Fire safety depends on planning, prevention, & tools like smoke alarms & fire extinguishers.
#387 – Extended Coverage Sprinkler Spacing Part 2: Obstructions
In part 2 of our series on fire sprinkler spacing for extended coverage sprinklers, QRFS looks at the rules for avoiding obstructions.
#386 – What’s the Difference Between a Tamper Switch and a Supervisory Switch?
QRFS explains the difference between tamper switches and supervisory switches, plus other types of fire sprinkler system sensors.