#453 – Why You Can’t Install Dry Sprinklers with Mechanical Tees, Elbows & More
Dry sprinklers can only be installed in specific fittings. Here’s a guide to the NFPA and manufacturer rules for appropriate installations.
Dry sprinklers can only be installed in specific fittings. Here’s a guide to the NFPA and manufacturer rules for appropriate installations.
Pipe tees can have three openings—and they can be different sizes and connection types. Here’s how to understand sizing for reducing tees, straight tees, and mechanical tees.
How can you choose between quick response pendent 5.6k fire sprinklers? QRFS compares Viking, Tyco, Victaulic, and Reliable models.
Fire sprinkler head guards protect sprinklers from damage—here’s how to replace them or install new ones with different attachment styles.
Dry sprinkler heads prevent freeze-ups in wet and dry systems, but you must get the barrel length right. Learn how to measure to order them properly.
Replacing recessed fire sprinkler escutcheons can be easy or complex. QRFS reviews how to install skirts or the whole escutcheon, both listed and split-ring models.
Learn how to use Reliable fire sprinkler data sheets (“Bulletins”) to identify and purchase the correct sprinklers and accessories for your fire protection system.
Amazon still sells some unlisted, non-compliant fire sprinklers. Learn why these are risky and how to avoid questionable products.
Learn how to use Senju fire sprinkler data sheets to identify the correct sprinklers, escutcheons, cover plates, and other parts for your fire protection system.
A fire sprinkler identification number (SIN) tells you almost everything needed about a sprinkler and what to buy. Here’s how to spot it.