Asahi/America releases its Asahitec PP-RCT piping systems for plumbing and HVAC systems. Asahitec is comprised of two systems: Climatex for hydronic heating applications and WaterTec for potable water. The pipe in both systems is made of its patented Fibercore technology, which minimizes expansion and contraction by up to 75%, the company notes. Asahitec includes both molded socket-fusion fittings and molded butt-fusion fittings, and molded large-diameter fittings up to 630 mm.