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In most RV Parks, the pressure really isn’t high enough to blow fittings in your RV if you don’t have a water pressure regulator.  However, all it takes is one time of even a small spike of high pressure to turn your rig into a sprinkler system.  This may even be a leak in a wall that you may not find for months!

Most RV’s come from the factory with banded fittings.  Though these are quick and easy to install at the factory, as an RV gets older you’ll find more and more of them that need to be replaced by compression fittings.  Not using a water regulator will definitely speed you towards having to undergo this process.

The increased water pressure might be nice for a powerful shower, but in the long run, you’ll be saving  by using a regulator.

Another note is to put the water regulator right at the spigot.  Putting a regulator directly on your coach will cause strain on the city water inlet fitting and will eventually cause the backside of that inlet (which is a banded fitting usually) to start leaking and causing additional damage you may not find for some time.

If you’re looking at a repair for any of the pieces, take a look at our parts section, and see which city water inlet valve you’ll need to replace it with.  If you take a picture and just look at it at the same time as our parts catalog.  If you’re going to install it yourself right, than you’re going to need:

  • A new city water inlet valve
  • Putty Tape
  • Silicon
  • tubing cutter

You will possibly need a couple compression fittings with some 1/4″ plastic tubing in order to repair any other banded fittings that may leak after any unintentional bending that causes them to leak.  This is where having a stock of compression fittings for your RV may come in handy.

RV MD Techs can usually bang this stuff out in about an hour, barring the event of a domino effect as one section of the plumbing is modified.

I’ve had to chase a tube back through two(2) 4way 1/2″ tubing pieces, requiring cutting the tubes of all 8 lines.  I then had to ‘stretch’ those lines back out again, adding compression fittings alone does add a little but you’ll sometimes have to cut it way back in order to put in the correct length patch of small tubing in.

I would recommend having an RV Tech change it out, and make sure it’s right though.  If there’s any stress on the lines, you may actually have to cut a hole in a wall, to get to the lines.  I mean there’s access panels, and then sometimes, there’s not.  Make sure everything inside the walls is snug, but able to flex.


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