Unfortunately this was a bigger job than the teflon tape could handle. We left the drawer out overnight with the water pressure turned down, so that it would be easy to monitor our temporary repair. With no signs of leaking overnight, we decided to turn the water pressure back up to 40 psi. The PEX swivel connector started leaking again and we decided it was time to fix this problem permanently by replacing the fitting.
Once we started looking at the piping, we noticed that Grand Design used a standard ½ inch PEX fitting to connect with a ⅝ inch braided vinyl tube. The connector is meant for ½ inch PEX pipe. By applying heat, Grand Design attempted to melt the ⅝ inch vinyl tube and then clamped it with a PEX cinch ring.
We decided it was best to cut out the vinyl tube and replace it with flexible PEX pipe. The most important part of this project was replacing the broken PEX swivel connector with a high quality brass connector. We also needed to purchase a PEX clamp tool and pipe cutter. Our RV tool kit will now include extras of the ½ inch cinch clamps and some emergency PEX plugs in the event that we have to cap off another leaky connection.
We feel confident now that the connector and pipe have been replaced with the correct PEX and brass fittings that we can put this project behind us. Now that we have all the tools needed, we plan to proactively replace all connections to help prevent future breaks and water damage to our rig.
Nothing is ever easy when working in small spaces!
Read how this all started @ How Long has this been Leaking
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