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We recently had a drip leak at the City Water compression fitting and I thought to post this to help other 22MLE owners if they come across this issue.
While camping we first noticed some water next to the bed on the slide-side coming from under the wall where the electrical outlet and USB ports are located. After trying a number of things we could not get it to stop dripping so we waited until we got home to investigate.
Photo 1 shows that the only way to get access behind the water bay on our 22MLE is by crawling into the Pass Thru and removing the side cover (red arrow). After removal I was able to reach back and feel that the compression fitting was loose. I tightened it but then thought that I should probably add Teflon tape to the threads in case it happened again.
To get to the threads I removed the compression fitting then crawled back out to remove the screws for the water inlet Photo 2. With the compression fitting off and screws removed this allowed me to pull out the inlet to access the threads. I used a small amount of PTFE Thread Seal Tape to wrap it.
Once the inlet was screwed back in I crawled back into the Pass Thru to tighten the compression fitting. While still in there my DW hooked up the hose to the City Water inlet and put it under pressure. No leaking, problem solved! We suspect the compression fitting had worked itself loose during travel or perhaps not tightened enough at the factory.
We felt pretty good that we solved the problem albeit with a little maneuvering
but a good job can always be perfected.....
The next day we asked ourselves if we should create easier access to the back of the water bay if it happened again while camping. I wouldn’t have to crawl back in after removing all of the things we carry in the Pass Thru.
I decided to cut an access hole through the wall next to the bed big enough to fit a hand in there to check and/or tighten things as needed. It would be nice if Grand Design put in access areas to plumbing where it’s difficult to reach.
Photo 3 shows the hole closed up. I used the panel that came under the bathroom vanity on our 22MLE. Photo 4 shows it opened and the arrow pointing to the compression fitting.
While camping we first noticed some water next to the bed on the slide-side coming from under the wall where the electrical outlet and USB ports are located. After trying a number of things we could not get it to stop dripping so we waited until we got home to investigate.
Photo 1 shows that the only way to get access behind the water bay on our 22MLE is by crawling into the Pass Thru and removing the side cover (red arrow). After removal I was able to reach back and feel that the compression fitting was loose. I tightened it but then thought that I should probably add Teflon tape to the threads in case it happened again.
To get to the threads I removed the compression fitting then crawled back out to remove the screws for the water inlet Photo 2. With the compression fitting off and screws removed this allowed me to pull out the inlet to access the threads. I used a small amount of PTFE Thread Seal Tape to wrap it.
Once the inlet was screwed back in I crawled back into the Pass Thru to tighten the compression fitting. While still in there my DW hooked up the hose to the City Water inlet and put it under pressure. No leaking, problem solved! We suspect the compression fitting had worked itself loose during travel or perhaps not tightened enough at the factory.
We felt pretty good that we solved the problem albeit with a little maneuvering
but a good job can always be perfected..... The next day we asked ourselves if we should create easier access to the back of the water bay if it happened again while camping. I wouldn’t have to crawl back in after removing all of the things we carry in the Pass Thru.
I decided to cut an access hole through the wall next to the bed big enough to fit a hand in there to check and/or tighten things as needed. It would be nice if Grand Design put in access areas to plumbing where it’s difficult to reach.
Photo 3 shows the hole closed up. I used the panel that came under the bathroom vanity on our 22MLE. Photo 4 shows it opened and the arrow pointing to the compression fitting.
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