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.
I am a retired professor of math and computer science having taught for 36 years at a state supported university in Virginia. John Tyler (March 29, 1790 - January 18, 1862) tenth President(1841-1845) was the first president to get married while in office. (Grover Cleveland was the second President to marry while in office, and the only President to get married in the White House itself. Woodrow Wilson also remarried while in office.).