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Old 08-26-2017, 01:05 PM   #1
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Water Pump REPLACEMENT Issue

Okay, we just replaced our old Shurflo water pump with the one Shurflo told us is the proper replacement.

The old pump was ran2.8 GPM @ 45psi. The replacement runs3GPM @ 55psi. The pump started working...then, suddenly, water started gushing from the TOP of the wet bay area. Picture attached.

We are REALLY hoping it didn't blow a pipe out or something else.

Can anyone with experience here tell us what they think happened? Or is happening?

P.S. I have NO idea why the picture is sideways; it is properly oriented in the file itself.

Thanks!
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Old 08-26-2017, 01:53 PM   #2
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Can't really tell what's happening. The pex piping should handle the pressure. Does the new pump pressure regulate on demand. It should be. Did you confirm with installer it really is a direct replacement. Our coach actually uses larger pump, but regulates.
If the installer had to remove anything in your wet bay start with the area and see what's up.
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Old 08-26-2017, 01:58 PM   #3
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RE: 10Boomer

Quote:
Originally Posted by 10Boomer View Post
Can't really tell what's happening. The pex piping should handle the pressure. Does the new pump pressure regulate on demand. It should be. Did you confirm with installer it really is a direct replacement. Our coach actually uses larger pump, but regulates.
If the installer had to remove anything in your wet bay start with the area and see what's up.
I'm not sure what you mean by "regulate on demand." The pump is a Shurflo, the designated replacement (by Shurflo) for our old pump. It has adjustable pressure. Once the pump reaches a certain pressure, it is supposed to be ready to use. When no water is running, the pump is supposed to shut off.

The installer is saying that the pump keeps running, even when no water is running, because the necessary pressure is not being reached by the system.
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Old 08-26-2017, 03:03 PM   #4
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Update...

So we tried turning off the toilet valve, which is separate on the 99 Diplomat. As soon as we did, the gushing water stopped and the system pressurized.

More input greatly appreciated!
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Old 08-26-2017, 03:27 PM   #5
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So we tried turning off the toilet valve, which is separate on the 99 Diplomat. As soon as we did, the gushing water stopped and the system pressurized.

More input greatly appreciated!


Well that's good you found the possible issue.
New toilet seal, possible shut off valve behind toilet. Start in those areas for leaks.
I just replaced my cable seal in toilet, had a very slow leak.
A quick test to do, place a cup of water in the toilet, with flush valve closed.
Go back in a few hours see if leaks away or fills up higher ( which can normally see visually. Let us know.
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Old 08-26-2017, 03:36 PM   #6
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Okay, we figured it out. Leaking pipe BEHIND the toilet. It wasn't making noise and wasn't leaking on the floor, so it took us a while to figure out where it was coming from. We've sealed it and the system is working fine.

That said, NOW we're worried that it may have caused damage inside the wall of the coach between the bottom of the toilet area and the top of the wet bay.

Anyone have any opinions? It wasn't a TON of water, despite what it looked like, and this has not been ongoing. Any chance you guys think it will dry out without causing long-term damage?
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Old 08-26-2017, 03:40 PM   #7
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Quote:
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Okay, we figured it out. Leaking pipe BEHIND the toilet. It wasn't making noise and wasn't leaking on the floor, so it took us a while to figure out where it was coming from. We've sealed it and the system is working fine.

That said, NOW we're worried that it may have caused damage inside the wall of the coach between the bottom of the toilet area and the top of the wet bay.

Anyone have any opinions? It wasn't a TON of water, despite what it looked like, and this has not been ongoing. Any chance you guys think it will dry out without causing long-term damage?


Clean up the best you can, if you have a small fan, place it near the area of concern. Air movement is important.
Can you from either side of the wall, an area you can open up to get under the wall? Sometimes you can lift trim etc. to get some air under or around. Maybe an inspection panel.
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