What is PEX? PEX is an acronym for crosslinked polyethylene. It is a flexible, durable, proven piping product that has been used in plumbing systems for more than 20 years. PEX tubing wonât pit, scale or corrode and, because of its flexibility, it also offers potential freeze-damage protection. Uponor plumbing systems feature PEX-a tubing, which is considered the superior PEX tubing manufacturing method in the industry.
Answer Wiki. Ronald Reagan is the only U.S. president who has been divorced. One First Lady, Betty Ford, married and divorced before marrying a second husband, who became President Gerald Ford. Andrew Jackson's wife, Rachel, was divorced by her first husband, Lewis Robards, because she lived with Jackson while still married to Robards.
James Buchanan, the 15th President of the United States. Well there was one other, Grover Cleveland was single when elected, he married while in the White House. Actually Chester Arthur was also single when he became president, his wife having died before he entered office. James Buchanan, the 15th President of the United States. Well there was one other, Grover Cleveland was single when elected, he married while in the White House.<br />Actually Chester Arthur was also single when he became president, his wife having died before he entered office.