Fire Sprinklers Archives

#472 – How to Understand and Use Senju Sprinkler Part Numbers

March 6, 2025February 26, 2025

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Senju Sprinkler part numbers.

#470 – Lead-Free Fire Sprinklers in Residential Systems: Purpose & Rules

February 13, 2025January 29, 2025

Some residential sprinkler systems require lead-free fire sprinklers and other parts. Learn more about the laws that restrict lead in drinking water and when they apply to fire sprinklers.

#469 – How to Understand and Use Viking Sprinkler Part Numbers

February 11, 2025January 15, 2025

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Viking sprinkler part numbers.

Reliable sprinkler part numbers and short codes

#467 – How to Use Reliable Sprinkler Part Numbers & Short Codes

January 24, 2025December 18, 2024

Reliable fire sprinkler part numbers and short codes can help get precisely the right equipment Every fire sprinkler has a SIN, or sprinkler identification number. SINs identify unique sprinkler models according to their K-factor, response … Read more

#466 – Can a Single Fire Sprinkler Model (SIN) Be Installed Concealed OR Exposed?

January 24, 2025December 4, 2024

One unique sprinkler identification number (SIN) often indicates whether a sprinkler is a concealed or exposed model. But there are exceptions! Learn about dual-application versions and how to ID and order them properly.

#464 — What is a Fire Sprinkler Assembly, and Why Is It Important?

January 24, 2025November 6, 2024

NFPA standards and other documents reference the sprinkler assembly and specify which accessories must be part of it. Read this guide!

#463 – How to Understand and Use Victaulic Sprinkler Part Numbers

January 24, 2025October 23, 2024

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Victaulic sprinkler part numbers.

Flush sprinkler escutcheon vs flush sprinkler escutcheon

#462 – “Flush” vs Flush Sprinkler Escutcheons: What Must Be Listed?

January 24, 2025October 9, 2024

The term “flush sprinkler escutcheon” can mean two different things in fire protection, and only one needs a listing. Learn to spot the difference!

#461 – How to Understand and Use Tyco Sprinkler Part Numbers

January 24, 2025September 25, 2024

Fire sprinkler ID numbers (SINs) are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Tyco sprinkler part numbers.

Quick response and standard response fire sprinklers

#460 – How Can the Same Fire Sprinkler Be Quick and Standard Response?

January 24, 2025September 11, 2024

Some fire sprinklers can be rated quick and standard response despite having the same physically designed thermal sensitivity. Learn why!