Long dry sprinkler barrels can cause a practical reduction in K-factor. But learn why there’s usually still only one sprinkler K-factor number for all barrel lengths.

Learn how to choose and install a sprinkler escutcheon extension tube that can cover extra-long sprinkler drops or dry sprinkler barrels.

With so many corrosion-resistant fire sprinklers available, how do you choose one? Different environments can require different coatings or materials.

Viking’s InstaSeal® welded outlets allow hand-tightening fire sprinklers—but you have to have the right caps to do it. Learn how to ID and order the right sprinklers.

A universal fire sprinkler head wrench seems like a great idea, but NFPA mandates using sprinkler-specific wrenches. Learn why and when this tool might still have a role in your toolbox or sprinkler cabinet.

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.