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.
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
