July 23, 2019
QRFS explains why buildings need these fire sprinkler control centers, where they must be placed, and how fire riser rooms must be maintained.
June 25, 2019
QRFS shares tips for avoiding fire sprinkler accidents and system leaks—and reveals the easiest methods for stopping them once they happen.
December 8, 2020
What are the fire sprinkler requirements in California? QRFS explains California Fire Code & breaks down the basic inspection, testing & maintenance rules.
November 10, 2020
Learn when and how cities should perform hydrant flow tests—and why these measurements ensure that fire protection systems work in an emergency.
August 8, 2019
QRFS takes a comprehensive, step-by-step look at the detailed guidelines for performing annual fire pump flow tests in NFPA 25.
October 6, 2020
Learn when to use indicating valves on fire protection systems and how NFPA standards governing these devices have changed.
August 5, 2019
Many fire protection items are listed, approved, or certified—but what do they really mean? Learn about UL listings, FM approvals, & other certifications.
July 11, 2019
NFPA minimum sprinkler obstruction distances ensure that pendent, upright, & sidewall standard spray sprinklers activate on time & fight fires effectively.
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.
