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Old 07-04-2019, 07:08 PM   #1
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Water leaking from fresh water overflow.

Just got settled in for the weekend of camping when my wife noticed both fresh water overflows were leaking. When I checked the the level it showed full yet u was hooked up to the city water inlet and not the fresh water one. Any ideas where the water is coming from.
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Old 07-04-2019, 07:22 PM   #2
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Just got settled in for the weekend of camping when my wife noticed both fresh water overflows were leaking. When I checked the the level it showed full yet u was hooked up to the city water inlet and not the fresh water one. Any ideas where the water is coming from.
Yes, we have ideas. This question is asked 3+ times per week. Start with this current thread in your research ==> Fresh Water Tank Issue.
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Old 07-04-2019, 07:30 PM   #3
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Yes, we have ideas. This question is asked 3+ times per week. Start with this current thread in your research ==> Fresh Water Tank Issue.
Thanks for the help. I will try these suggestions
Alan
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Old 07-04-2019, 07:32 PM   #4
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Thanks for the help. I will try these suggestions
Alan
Let us know how it turns out. I had this problem on a trip in April. I cleared the problem by turning off campground water and using all of the water out of the fresh tank for showers, etc. BUT the problem resurfaced during our June trip!
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Old 07-05-2019, 01:19 PM   #5
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Had it happen. Ran water thru the pump for a while, returned to city water, drained fresh water tank, and left valve open. I leave fresh water tank drain valve open unless I need to use the tank.
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Old 07-05-2019, 01:35 PM   #6
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Usually related to a bad check valve at the pump. The valve is supposed to prevent water from entering the tank when the pump is on. A bad check valve will allow city water to fill the tank and overflow. Leaving the drain open may work, but you'll flood your campsite and probably lose water pressure. Adding an external check valve isn't too hard and will solve the problem as will replacing the pump. The built in check valve in most pumps can't be replaced or serviced.
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Old 07-05-2019, 01:48 PM   #7
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Agree with DrLewie. That happens way too many times.
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Old 07-05-2019, 02:25 PM   #8
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Most times it is not a bad check valve at the wp. Any time you use the fresh water pump you risk the check valve not seating properly. One of the main causes is debris left in the tank during construction. A sliver from cutting the plastic tank for fittings gets stuck in the valve and holds it open. The check valve is to prevent loosing pressure in the water lines when using fresh water and prevent city water from entering the fw tank. Another cause is running the wp when using city water.
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Old 07-05-2019, 03:10 PM   #9
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Usually related to a bad check valve at the pump. The valve is supposed to prevent water from entering the tank when the pump is on. A bad check valve will allow city water to fill the tank and overflow. Leaving the drain open may work, but you'll flood your campsite and probably lose water pressure. Adding an external check valve isn't too hard and will solve the problem as will replacing the pump. The built in check valve in most pumps can't be replaced or serviced.
Thanks for your help
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Old 07-05-2019, 03:11 PM   #10
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Most times it is not a bad check valve at the wp. Any time you use the fresh water pump you risk the check valve not seating properly. One of the main causes is debris left in the tank during construction. A sliver from cutting the plastic tank for fittings gets stuck in the valve and holds it open. The check valve is to prevent loosing pressure in the water lines when using fresh water and prevent city water from entering the fw tank. Another cause is running the wp when using city water.
Thanks for the help. I have never had the pump on while on city water so maybe it is some debris
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Old 07-05-2019, 08:08 PM   #11
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This can also be caused by too much pressure on your city water input. Be sure that you are using a good water pressure regular. I had been buying the cheap units that you could not tell what the pressure was until I finally decided to purchase a better unit that allowed me to monitor the exact pressure and even regulate it. No problems since installing this new pressure regulator over a year ago.
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Old 07-05-2019, 08:22 PM   #12
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This can also be caused by too much pressure on your city water input. Be sure that you are using a good water pressure regular. I had been buying the cheap units that you could not tell what the pressure was until I finally decided to purchase a better unit that allowed me to monitor the exact pressure and even regulate it. No problems since installing this new pressure regulator over a year ago.
Thanks. I have a water regulator but it is a cheap one. Perhaps I will invest in a better quality one
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