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So I am getting water on my bedroom floor only. I have sealed the roof, found my water pump and it seems to be dry. The floor and carpet get wet over a period of days. From the plumbing I can see there are no breaks. I am hooked up to city water. My fresh water tank is under the bed. Getting wet directly under the bed and spreading out to the sides of the bed but not out into the living room or cab, that's all dry. Before I start tearing things apart, any advice? Anyone been through this? Also, when I fill the fresh water tank I get a leak in the rear of the RV on the driver's side above where my generator is. I'm sure that's related just not sure how. Any suggestions on what to look for next and how to get to it?
The "leak" when you fill the tank is the normal overflow running out the tank vent line, and nothing to be concerned about. The leak under the bed is certainly more concerning though. If your Landau is plumbed the same as mine was, the water pump is located in the bottom of the left bedside cabinet, and is a potential leak point that could show up under the bed. It could be the pump body itself, the threaded pipe connections, or a cracked fitting due to freezing. There could also be a leak at the pipe connection on the side of the tank at the bottom on the left side. Worst case would be a crack in the tank itself, but that would be pretty rare unless something stowed under the bed was sharp enough to puncture the tank.
Thanks, I did find the water pump and the area around it, the connections, etc. all seem dry. Nothing moist or wet around it which I found odd because it is in the same vicinity as the bed naturally. When I switch over to filling the fresh water tank to test the tank is empty and the water starts coming out the back immedietly and not out of the overflow out of the tank vent line. That's easy to see and find. I'm thinking at this point I may have to just bite the bullet and take out the fresh water tank and see id there is a break in a line under that. I of course would like to avoid removing any wooden coverings that are housing the lines but, not sure I'll be able to do that. I'm sure it's something simple as it seems to be a slow leak over time but it's just hard to find.
Thanks for your help and response. Any other suggestions you have are welcome.
Also, someone suggested to me that there may be a leak from the seals around my shower causing a leak on to the bedroom floor. The shower does butt up against the bedroom but the floor directly in front of the shower which is in front of the bed on the right side it dry although the floor to the left of the bed is wet. My shower is one continuous piece all around but there is the gap where the shower walls meet the tub. That all seems caulked and sealed very well. I suppose I could do some minor caulking in the corners above the tub which seem to be slightly more "opein" than the rest of the way around the tub. There is a small slit above the tubs faucet where the faucet panel screws into the wall which maybe needs a little tightening/mending too. I'm wondering if maybe we don't use the shower for a few days, vaccuum up the water in the bedroom (which we have been doing) and see if the next time we use the shower if the floor starts to get wet. A lot of trial and error but, I suppose that's how we need to figure these things out barring tearing apart the whole thing.
Another Question related to the leak issue for testing...
Can I leave my hot and/or cold water tank low point drains open while connected to city water? Excuse my ignorance but, will I be losing the city water if I do that? Someone suggested I do this because if I do have a leak in the fresh water tank (which apparently water can go into even if you are on city water) or in one of the lines connected to it that may keep the water out of the bedroom until I get if figured out.
You can leave the tank low point drain open while connected to city water, but that's all. Everything else is pressurized by city water feed, just as it is when the pump is used. As long as the fill valve is closed, no water should go into the tank when on city water. The pump has an internal check valve that blocks a reverse flow from that line. The fill valve just bypasses the pump to fill the tank through the same tank port the pump uses to withdraw water.
You said water comes out the back as soon as you start to fill the empty tank, and that suggests to me that the pump bypass plumbing is the culprit. On my Landau, the original bypass line connects to the tank port line near the pump under the bedside cabinet, but you said that area was dry. That makes me wonder if the problem is at the tank port itself or the connection to it. You may be able to check that by raising the bed looking in the space between the tank and the side of the bed frame on the driver's side with a flashlight. If it's like mine, the plumbing is hidden by a flexible heat duct that's connected to register under the bed, but that's easily disconnected and moved out of the way.
I say "original" on my coach for the pump location parts because an early mod I made was to relocate the pump from next to the bed down into the outside wet bay to quiet it down during the night.
