Step 1: Enter Your SIN

Enter the sprinkler identification number (SIN) of the fire sprinkler that needs a compatible wrench below.

Look at the photos to the right or watch the short video to learn how to find a SIN. You can also read our detailed article on locating SINs.

Finding Your Sprinkler Identification Number in 3 Steps:
Inspect Your Sprinkler To identify your sprinkler identification number (SIN), safely get close to your sprinkler and remove the cover plate
Find Your SIN Find a SIN stamped on the deflector or pick any listed on the cover plate; SINs start with 1-2 letters and end with 3-4 numbers.
Search SIN Input the SIN into the search bar on this page