utm_source=GNW Plastic hot and cold pipes are made of different raw materials like cross-linked polyethylene (PEX), polyethylene- raised temperature (PE-RT), polypropylene random copolymer (PPR ...

Q: My husband and I have been debating whether we could get away with just running the cold water. Is it important to run the hot, too? A: Yes, in fact, if you contact plumbers who repair pipes ...