2970RL furnace panel seal leak?

haileyg_

New Member
Joined
Sep 12, 2024
Messages
2
Location
Apopka, FL
UNKNOWN LEAK - 2023 Grand Design Imagine 2970RL model

Leak entering through bottom of wall next to shower…
No visible leak under shower or sink from the lines, don’t hear any droplets

Located in FL, live in full time, have had a lot of major heavy rain since noticed. (leak only occurring on heavy rain days, doesn’t occur after use of shower)

Bathroom not located on a slide out…

Any ideas of where this could stem from?
Water heater lines?
Outside furnace panel seals???
TIA!
 
Photo reference below.
 

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I'll take a stab at some things that normally I would check,
like the hot and cold water lines under the sink, and behind the shower wall, especially plastic pex connectors where or if you have flex hose connected joining to hard pex lines for the sink and shower. Then I would inspect the drain plumbing of the shower for loose connections. Or a cracked shower pan floor especially around the drain. The shower pan could be cracked in a certain place and when you step on that spot the pan leaks.

Also most of the time in these RVs, the black tank rinse lines run up behind the shower wall to a check valve, then back down into the blank tank. The check valve itself or the lines running to it might be leaking.

Even the hot water heater lines in and out and especially the plastic check valve on the back side of the water heater, those cause a lot of owners troubles.

But then you said it doesn't happen when taking a shower. Only when it rains?
Well that kind of eliminates those trouble spots I mentioned.
Happens when raining, well yes I guess the water heater exterior side wall seal and panel could be leaking when it rains. I think I would also get up on the roof and look at the vent line caps and seals. This is where the drain plumbing vent lines for the holding tanks go through the roof. I think I would also check the skylight for cracks and seals,

Of course water can leak from somewhere, then run over to another place where then you can see it. That makes it hard sometimes to find and back track to the source. Is there any kind of inspection panels you can remove to get inside of the walls or under the shower pan? In our old Imagine 2950RL there was an inspection panel I had to remove to gain access to the back side of the water heater to turn the water line valves in bypass mode for winter storage.

Hope I gave you some ideas and things to think about and check. Sorry I couldn't be of more help, I'm not familiar with the current 2970 layout.
 
But then you said it doesn't happen when taking a shower. Only when it rains?
Well that kind of eliminates those trouble spots I mentioned.
Happens when raining, well yes I guess the water heater exterior side wall seal and panel could be leaking when it rains. I think I would also get up on the roof and look at the vent line caps and seals. This is where the drain plumbing vent lines for the holding tanks go through the roof. I think I would also check the skylight for cracks and seals,
This is the spot I would check for compromised seals, check all the seals in that area to be sure there is no compromise. Sometimes the seal appears good but a small unstuck spot couild cause problems
 

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