Heat trace cable on an upright sprinkler

#157 – Heat Tracing Fire Sprinkler Systems: When, Where, and How

Heat tracing can protect sections of pipe in wet fire sprinklers from freezing, providing a viable alternative to installing or retrofitting more complex and expensive dry pipe or preaction systems. QRFS explains various types of heat tape, including NFPA standards, cost, and maintenance requirements.

Tyco LFP Antifreeze banner

#145 – Tyco’s New LFP Antifreeze Meets NFPA Listing Requirements

As the 2022 deadline for phasing out all current antifreeze solutions in wet sprinkler systems looms, the first – and only – product to meet the National Fire Protection Association’s (NFPA) standard is good news for property owners in regions that suffer bitter winters. QRFS reveals why current solutions were deemed unsafe and details the new solution.

Old Fire Sprinkler

#131 – Which Fire Sprinkler Do I Have? And How Do I Replace It?

Fire sprinkler identification numbers have made identifying and replacing fire sprinklers easier, but a confusing variety of old sprinklers remain in service. QRFS explains how to determine which fire sprinkler you have, plus replace one that isn’t commercially available.

#120 – Help! My Fire Sprinkler Was Painted. What Should I Do?

NFPA and numerous fire sprinkler manufacturers have a low tolerance for any sprinkler that has been painted with aftermarket paint. Replacing painted fire sprinklers is often the proper course of action. QRFS looks at why the rules are so strict, as well as how to choose a replacement model.