Thoughts on Fire Blog

#439 – How to Replace an FDC Cap or FDC Plug

January 24, 2025November 22, 2023

Fire department connections must remain covered to protect the system’s pipe and water supply. Here’s how to replace FDC plugs and caps.

#438 – How to Replace a Fire Sprinkler Cover Plate

January 24, 2025November 8, 2023

Learn about how to remove and install concealed fire sprinkler cover plates—and why—with this step-by-step guide.

#437 – How to Replace a Recessed Fire Sprinkler Escutcheon

January 24, 2025October 25, 2023

Replacing recessed fire sprinkler escutcheons can be easy or complex. QRFS reviews how to install skirts or the whole escutcheon, both listed and split-ring models.

#436 – How to Read a Reliable Fire Sprinkler Bulletin | Data Sheet

January 24, 2025October 11, 2023

Learn how to use Reliable fire sprinkler data sheets (“Bulletins”) to identify and purchase the correct sprinklers and accessories for your fire protection system.

Avoiding uncertified fire sprinklers on Amazon

#435 – Buying Fire Sprinklers on Amazon: Avoid Noncertified Products & Risks

January 24, 2025September 27, 2023

Amazon still sells some unlisted, non-compliant fire sprinklers. Learn why these are risky and how to avoid questionable products.

#434 – How to Read a Senju Sprinkler Data Sheet

January 24, 2025September 13, 2023

Learn how to use Senju fire sprinkler data sheets to identify the correct sprinklers, escutcheons, cover plates, and other parts for your fire protection system.

How to find a fire sprinkler identification number (SIN)

#433 – How to Find a Fire Sprinkler SIN (Sprinkler Identification Number)

January 24, 2025August 30, 2023

A fire sprinkler identification number (SIN) tells you almost everything needed about a sprinkler and what to buy. Here’s how to spot it.

#432 — How to Read a Victaulic Sprinkler Data Sheet

January 24, 2025August 17, 2023

Fire sprinkler “cut sheets” can seem confusing—at first. Here’s a guide to reading Victaulic sprinkler data sheets to find the right specs, sprinklers, and other parts.

#431 – Tyco LFII Sprinkler Changes & When You Need “Long-Neck” Covers

January 24, 2025August 2, 2023

Tyco has updated some of its LFII sprinklers along with the cover plates that fit some of them. Here’s what’s changed and what you need to buy.

#430 – How to Read a Tyco Sprinkler Data Sheet

January 24, 2025July 19, 2023

Reading fire sprinkler data sheets doesn’t have to be a head-scratching experience. Here’s how to read a Tyco sprinkler data sheet.