The listing is to UL 1821, Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service It approves (with certain limitations) the use of flexible AquaPEX tubing and ProPEX expansion fittings ...

The City of Los Angeles has given general approval for flexible fire sprinkler connections manufactured by FlexHead Industries. City engineers have judges the products to be suitable for their ...

HOLLISTON, MASS. — FlexHead Industries has filed patent infringement lawsuits against eight defendants, charging them with infringing on its patents to attached flexible fire sprinkler connections to ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? An in-ground sprinkler system is by far the easiest and most effective way to water ...