How Do You Repair RV Water Lines?
You will be repairing mostly freeze-damaged pipes. In the old days, RVs had copper tubing and that’s easily repaired by pushing the seamed tubing back close to round and then adding a touch of solder with a bernzomatic torch to the tear-out. But now you’ll need to do something different. Here’s how. • Take a squirt trigger bottle and put a half inch of good dish washing detergent in the bottom of it, and fill it the rest of the way with water. • Rig an air compressor to the outside water entry and pressurize the line with air – you don’t want over 30 PSI. To get the air in, you can buy a small brass cap that has something that looks like the place you put air in a tire in its center. These are about four dollars at any RV supply store, and they let you blow out the line so it won’t freeze next year. • Spray your soapy water on suspected leaks. Modern RVs have plastic lines; they resist freezing better than the copper ones did, and if you have a freeze break, it will usually be at one o
