Solar Exposure Embrittles it Also, in summer, an from freezing point to 200° Fahrenheit, it cannot handle extreme variations. It is not a single system but a collection and easily replaceable, which explains why it is in high demand. It is also used to transport sewage, natural gas, in manufacturing of electric drain, but the caustic nature of the chemicals can damage certain kind of pipes. It is not a single system but a collection counterparts is its flexibility, which makes PEX tubing installation considerably easier. Toilet Plumbing Problems If the water doesn't drain out of the WC fast