Running Dedicated Water Line For RV at Home?
So when we are camping we always use a splitter on the water spigot at the campground. One line runs to the camper water intake and the other goes to the sewer flush. We only connect the sewer flush...
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What wa8yxm said. Tap into a cold water line closest to the the end of the house the camper is on. You mentioned PEX so assuming you have the tools, buy a self draining hose bib for the install at that end of the house. Unless that end is an unheated garage, then go with running it out underground and a frost proof hydrant. Your original plan of running PEX 75 feet, PEX is not UV protected. You do not want to expose it to sunlight or it will not last very long.
