November 19, 2025
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.
November 5, 2025
A sprinkler supervisory switch, whether it’s a flow, tamper, or pressure switch, has specific electrical specs. Learn more about these numbers.
October 22, 2025
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.
October 8, 2025
Hardware stores don’t sell fire sprinklers, cover plates, or escutcheons. Learn why there are no Lowe’s or Home Depot fire sprinklers and where to buy these parts.
September 24, 2025
Learn how to choose and install a sprinkler escutcheon extension tube that can cover extra-long sprinkler drops or dry sprinkler barrels.
September 11, 2025
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.
August 27, 2025
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.
August 14, 2025
Smoke and CO detector testers are essential for verifying that alarm systems function properly. But know the shelf life of smoke and CO cartridges!
July 30, 2025
Air maintenance devices are essential components of dry and preaction sprinkler systems. Learn how they work and fit into these systems.
July 17, 2025
With so many corrosion-resistant fire sprinklers available, how do you choose one? Different environments can require different coatings or materials.
July 2, 2025
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.
