Iron fittings come in multiple varieties. Should you choose cast iron fittings, ductile iron, or malleable iron? Learn the NFPA rules and pros and cons of each.
A sprinkler supervisory switch, whether it’s a flow, tamper, or pressure switch, has specific electrical specs. Learn more about these numbers.
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.
Fire sprinkler test and drain valves have a 1/2” plugged port. Learn what this system access point is (and isn’t) intended to do.
Tyco BlazeMaster CPVC pipes & fittings are no longer sold by that fire protection manufacturer. Learn where and how you can still purchase this high-quality CPVC brand.
Smoke and CO detector testers are essential for verifying that alarm systems function properly. But know the shelf life of smoke and CO cartridges!
Air maintenance devices are essential components of dry and preaction sprinkler systems. Learn how they work and fit into these systems.
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.
Dry and preaction sprinkler systems are more prone to corrosion. Learn about two options to handle it: vapor corrosion inhibitors and nitrogen sprinkler systems.
