Recognized internationally for years, and formally known as Aquatherm FireStop Fusiolen® PP-R, Aquatherm Red Pipe is now available in the North American market through RedPipe Industries. The fire protection product has been approved by FM Global for use in wet pipe automatic sprinkler systems in light hazard occupancies. The highly engineered polypropylene-random (PP-R) pressure pipe has FM approval in the FM 1635 class (No. 3036285) and belongs to the Aquatherm family of PP-R piping systems (which includes Greenpipe®, Climatherm®, and Lilac). It also features many of the same advantages as other Aquatherm systems: