Hot and cold water pipes of PE "Rifeng" Description: hot and cold water pipes of PE "Rifeng" (POLY ETHYLENE) LIFETIME of 50 years. Elastic pipes (every turn without elbow) so that no pressure is missing/pressure loss.Guaranteed water pipes do not leak despite the high pump pressure 15 bar s/d. Hot Water Pipes UK 3/8 "(B-1216) UK 0.50 "(B-1620) UK 0, 75 "(B-2025) Cold Water Pipe UK 0.50 "(A-1620) UK 0, 75 "(A-2025) UK 1.00 "(A-2632)