Thoughts on Fire Blog

#419 – What Are Electrically Operated Fire Sprinklers?

January 24, 2025February 1, 2023

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

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

January 27, 2025January 19, 2023

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

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

January 24, 2025January 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.

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

January 24, 2025December 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!

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

February 3, 2025December 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.

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

February 3, 2025November 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.

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

January 24, 2025November 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!

#412 – How to Avoid CPVC Pipe Problems Due to Chemical Incompatibilities

January 24, 2025October 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.

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

February 3, 2025October 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.

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

January 24, 2025September 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.