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Old 05-25-2019, 08:04 AM   #1
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Humming....

Hi all, on our first trip of the year and I have a humming issue with the water lines on my Excursion 35B... when the water is on (hot or cold) I get an obnoxious humming. Don’t remember it from last year so I am wondering if it could be a pressure issue.

I run an over pressure valve and a filter behind it at the spigot. I also have the unit water filter in the water connection compartment..

Any ideas?

Mark
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Old 05-25-2019, 08:11 AM   #2
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Sounds like it could be the check valve where the water enters the coach. Could be partially blocked or could be failing.
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Old 05-25-2019, 07:30 PM   #3
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Sounds like it could be the inlet check valve. Does it hum when using onboard water only? On my 35B, I currently have a humming when using the hot water - pretty much narrowed it down to the mixing valve on the back of the water heater. Hopefully, it won't fail. Only problem is I can't get to the back of the water heater without taking it out. If necessary I may cut a hole in the bed platform for access. Will then have to rig up a way to secure the cutout when finished.
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Old 05-25-2019, 08:37 PM   #4
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Possible answer for securing cutout: cut as neat rectangle (if possible), overlap edge of cutout with flat picture frame molding (can DIY or have Hobby Lobby or similar make frame, secure with a couple of small screws. Neat looking and removable if necessary.
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Old 05-25-2019, 09:06 PM   #5
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*sigh*. I hear this complaint all the time. Sad, but correctable for free if you catch it early. Pipes hum because they forget the words. Simply taping a lyric sheet somewhere near your pipes should get them singing again.


No charge. I just like to help.
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Old 05-26-2019, 01:52 PM   #6
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Quote:
Originally Posted by daveandcarol View Post
Possible answer for securing cutout: cut as neat rectangle (if possible), overlap edge of cutout with flat picture frame molding (can DIY or have Hobby Lobby or similar make frame, secure with a couple of small screws. Neat looking and removable if necessary.
Dave, Good idea. Thanks for the idea. Rick
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