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Old 07-26-2021, 08:42 PM   #1
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Tube w valve below camper leaking

White tube below camper w valve has been leaking - slow leak. There’s two tubes next to each other, one w a valve one without.

Hooked up to city water.

2016 Salem forest River 36bh

Is the valve supposed to be closed? Not sure if it’s as simple as just closing that valve or if there’s more to it —- like a cracked seal or something.
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Old 07-26-2021, 08:48 PM   #2
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It looks as if those two lines should be connected to ech other with the valve in between. Hard to say without knowing where they lead to.
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Old 07-27-2021, 07:44 AM   #3
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Somebody may have put a valve on the fresh water tank overflow so it keeps the water from sloshing out during travel.

Is the fresh water tank full? If so the pump check may be leaking by and overflowing out the tank overflow.
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Old 07-27-2021, 01:23 PM   #4
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Looks to me like, a FW tank drain and FW fill overflow.
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Old 07-28-2021, 03:19 PM   #5
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Read this

Quote:
Originally Posted by Destiny_Unbound View Post
White tube below camper w valve has been leaking - slow leak. There’s two tubes next to each other, one w a valve one without.

Hooked up to city water.

2016 Salem forest River 36bh

Is the valve supposed to be closed? Not sure if it’s as simple as just closing that valve or if there’s more to it —- like a cracked seal or something.
Okay, here is a simple question for you?

Go to your control panel and check the fill level of the fresh water tank. We are guessing that it will show completely full! If so, continue reading.

The water system can be pressurized from either of two sources.
  • If it is pressurized by the onboard water pump (fed from the fresh water tank), then the check valve (one-way valve) at the city water connection closes to keep water from spewing out the hose connection.
  • If it is pressurized from city water (your case), then the check valve at the water pump keeps city water from passing backwards through the pump and filling the fresh water tank.
(Of course you should never turn on the water pump when city water is on.)

Our guess is that the check valve at the water pump is leaking a bit and has filled the fresh water tank. This is not uncommon--there are a couple of posts like yours every week. Here is how you clear that valve from a small grain of sand or something.
  • Turn off the city water.
  • Open a tap to relieve pressure.
  • Turn on the water pump.
  • Close the tap, wait for the pump to stop running.
  • Open the tap.
  • Repeat the above two steps a couple of times to flush the water pump check valve.
  • Turn off the water pump.
  • Turn on city water.
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Old 07-28-2021, 03:27 PM   #6
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Quote:
Originally Posted by bikendan View Post
Looks to me like, a FW tank drain and FW fill overflow.
This
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Old 07-28-2021, 03:35 PM   #7
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I think bikendan and Larry-NC have hit the nail on the head.

The line with the valve is the fresh tank drain (the other is the fresh tank vent/overflow) and it's likely the check valve in the pump has been compromised and the city water is trying to back-fill the fresh tank and it is running out the tank drain.
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Old 07-29-2021, 12:01 AM   #8
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Quote:
Originally Posted by Destiny_Unbound View Post
Is the valve supposed to be closed? Not sure if it’s as simple as just closing that valve or if there’s more to it —- like a cracked seal or something.
Agree with the above. That valve should be shut to keep water from draining from the fresh water tank.
Now if you didn't put water in the tank, the check valve may not be working and there's a trick that's been posted on this forum that has been used to reset the valve. "Try this. Turn city water off. turn on your pump on open a faucet and run some water. Turn pump off. Repeat the process. Turn pump off and turn city back on. This should clear your backflow valve.".
If that doesn't work you might have to replace the valve.
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Old 07-29-2021, 01:13 AM   #9
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Yes, shut the valve. It is a fresh water tank drain. Now when you do this eventually the water will slowly dribble out of the overflow hose when the fresh water tank fills due to the pump check valve bot being seated properly.

So, if you can’t get the check valve to seat properly it is best to leave the valve open or you will be traveling with a full fresh water tank…
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