January 19, 2023
What’s the difference between ESFR sprinklers, ECOH sprinklers, and ELO sprinklers? QRFS explains these confusing fire sprinkler acronyms.
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.
December 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!
December 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.
November 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.
November 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!
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.
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.
September 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.
September 6, 2022
Is your fire protection system ready for a disaster? This National Preparedness Month, make a plan for possible emergencies.
June 21, 2022
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.
April 27, 2022
Learn the essential inspection, testing, and maintenance tasks for fire sprinkler flow switches and tamper switches.
April 6, 2022
ESFR sprinklers are designed to suppress fires in high-challenge storage occupancies. Learn how they work and their benefits and drawbacks vs. other systems.
March 16, 2022
An OS&Y valve is a type of gate valve used in sprinkler and standpipe systems as a control valve. Read this guide to when and why they are used.
February 16, 2022
Fire hose valves on standpipe systems require regular inspections, plus tests and as-needed maintenance. Learn the essential NFPA requirements.
January 27, 2022
ITM for a fire department connection involves a quarterly inspection of all FDC components, plus a hydrostatic test every five years.
