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 ...

It shows they want to do more than just sell a product.” Uponor provides a residential multipurpose system called AquaSAFE™, which combines the fire sprinklers with a home’s cold-water plumbing. This ...

which combines the cold-water plumbing and the fire sprinklers into a single, efficient system. Installation costs for a multipurpose system, like those made by Uponor, averages 57 cents less per ...