May 21, 2026
While a spray nozzle also serves in active fire protection systems, it is not a fire sprinkler! Learn the differences, the variations, and how nozzles fit into NFPA 15, NFPA 750, and NFPA 13 systems.
May 9, 2026
Dry fire sprinkler systems must be ready before cold weather hits. Learn the basic steps, including for onsite staff and fire protection pros.
May 3, 2026
NFPA 15 water spray fixed spray systems are very different from fire sprinkler systems, providing more targeted water to handle specific hazards. Learn how they work, use cases, and major components.
May 2, 2026
NFPA 25 has clarified this common question. Learn the rules, replacement or testing steps, and how to get compliant sprinkler gauges.
April 30, 2026
Sometimes, you need a precise paint match or a special design on fire sprinkler cover plates. Learn about the code-compliant way to get it!
April 10, 2026
Learn about proactive steps that help ensure an efficient, effective fire protection inspection, including for NFPA 25 fire sprinkler systems.
April 3, 2026
Replacing residential fire sprinklers can be confusing with all the options, especially if old heads have odd K-factors. Here’s how to do it!
April 2, 2026
Wondering whether cast, malleable or ductile iron fittings should be used in a fire sprinkler system? Read this quick guide.
March 30, 2026
Gem, Central, and Star are no longer made, but Tyco makes equivalent parts for some old sprinkler escutcheons. Learn how to replace these parts.
March 22, 2026
How and why two types of deluge systems deliver a lot of water, fast In the movies, all fire sprinklers always go off at the … Read more
March 10, 2026
Most FDCs use standard NH/NST threads—but some don’t! QRFS explains the different fire hose and FDC threads and sizes used in various jurisdictions.
March 4, 2026
A retrofit escutcheon can save the time and hassle of replacing regular fire sprinkler escutcheons—but you have to know when you can use them!
March 4, 2026
The NFPA 25 rules for replacing a fire sprinkler escutcheon or cover plate have changed to mirror rules for sprinklers. Learn what’s needed.
February 28, 2026
If a hole around a concealed fire sprinkler is too big for a cover plate, you have options besides renovating the ceiling or wall!
January 15, 2026
ANY paint on a sprinkler traditionally meant replacing it, but the NFPA 25 rules have changed (a bit). Learn what qualifies as a deficiency.
January 8, 2026
Some home sprinklers are labeled “lead-free” while others aren’t. Learn why, and when lead-free versions are absolutely required.
November 21, 2025
Smoke detectors in high places? No problem. Learn about the essential accessories that make functional detector testing smooth and easy.
November 19, 2025
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.
