To take this connector apart, remove the collet clip. Finish the job by inserting the included collet clip on the joint. Now, keep pushing until the tubing comes to a complete stop. Slide the included “tube stiffener” into the end of the tubing until there’s resistance. Again, cut the tubing square and check for burrs. Using these fittings in a cramped area is much easier. A 3/8-inch coupler for joining two pieces of tubing is around $4.00. Quick-Connect fittings: Made by Watts, these are a little more costly.It can be a bit difficult to maneuver your hands in place to shove the tubing onto the fitting and to tighten the nut. However, the disadvantages are when you are working in a cramped area. So, what are advantages of this? They are less expensive than quick-connect fittings. (*Note: The tube stiffener not visible as it’s inside the fitting) The assembled tubing inserted into the fitting. Need to take it apart? Just reverse the order of assembly instructions. Then, tighten the nut by hand until secure. Now, push the tubing over the fitting flare, rocking it back and forth until it comes to a full stop against the fitting. Unscrew the nut from the fitting, and slide it back over the tubing. Simply, cut the tubing squarely and ensure there aren’t any burrs on the tube. We bought a 3/8-inch tee fitting in a small-town hardware store, but you can also find them on Amazon. Plastic compression fittings: A brand found in many hardware stores is Flair-It.Here are a couple of styles particularly useful to RVers when it comes to plumbing: Want to add a shut-off valve to turn the water off to your toilet (or whatever) without shutting down the whole RV supply? Others include adapters that allow you to shift from one size of tubing to another. The partial assembly of the tubing in place over the flare. They range from simple couplers that allow you to fix a break to tees that are for jobs when adding a new run. When you need to change out your water lines, there are a variety of different fittings available. I usually go with a PVC pipe cutter, which makes a clean edge and can be used on PVC pipe as well. This is also a requirement for a leak-proof connection. You can use a utility knife, but a tubing cutter designed for PEX ensures a clean, even edge. While working on water lines, you just need a tool to cut the PEX tubing itself. Chlorinated water is not an issue in terms of tubing or health safety. Typically, the rating is on the tubing itself. At one hardware store, bulk 3/8-inch may set you back 50 cents/foot.Īdditionally, PEX is ideal for both cold and hot water (some up to 200 degrees) plumbing. These are the standard size because the outside diameter of the tubing is about 1/8-inch greater than the called-for size. In RVs, manufacturers typically use translucent non-colored PEX for all plumbing runs.įurther, two sizes are used, 3/8-inch and ½-inch. PEX tubing in homes is color-coded for hot and cold. What is PEX tubing for the plumbing in my RV? In RVs, manufacturers typically use translucent non-colored PEX for all runs.
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