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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > frsh water tank

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Huntindog

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Posted: 02/10/20 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

ajriding wrote:

Also, maybe the city water pressure is too high and causing the valves to leak?

A pressure regulator is a safe thing to have for these plastic water systems in RVs to protect against high city pressure.


Well the pumbing lines are PEX, which is commonly used in Houses now. TT fixtures are often cheap/poor though there is some good stuff being used.


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Bobbo

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Posted: 02/10/20 07:00pm Link  |  Quote  |  Print  |  Notify Moderator

The PEX, itself, can take the pressure. It is the fittings connecting the PEX together that poses the risk from high pressure.


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poppa

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Posted: 02/11/20 06:10pm Link  |  Quote  |  Print  |  Notify Moderator

thanks for all the replies. first time out on new tt. I used the hose end regulator, just noticed the tank filled. don't really want that but don't really want to use pump if I don't have to. the valve on the discharge mite be the trick, or a better check valve. thanks!

allen8106

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Posted: 02/13/20 10:37am Link  |  Quote  |  Print  |  Notify Moderator

Some rigs have a valve at the pump to shut off suction from the tank when on city water. If that valve is open it can back fill the tank. My 2010 Jayco is set up that way.


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shaner82

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Posted: 02/16/20 09:20pm Link  |  Quote  |  Print  |  Notify Moderator

Mine shows full the second I connect to city water. It has since it was brand new. The tank is empty one second and shows full the next, so I don't believe it's backflowing into the tank.

kellem

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Posted: 02/17/20 11:41am Link  |  Quote  |  Print  |  Notify Moderator

shaner82 wrote:

Mine shows full the second I connect to city water. It has since it was brand new. The tank is empty one second and shows full the next, so I don't believe it's backflowing into the tank.


This is also a thought as my previous trailer did the same......empty tank read full apon city hookup.

GrandpaKip

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Posted: 02/18/20 08:42am Link  |  Quote  |  Print  |  Notify Moderator

kellem wrote:

shaner82 wrote:

Mine shows full the second I connect to city water. It has since it was brand new. The tank is empty one second and shows full the next, so I don't believe it's backflowing into the tank.


This is also a thought as my previous trailer did the same......empty tank read full apon city hookup.

Then the question becomes why is this happening?


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poppa

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Posted: 02/18/20 06:04pm Link  |  Quote  |  Print  |  Notify Moderator

update. I either had water in the tank or the check didn't check the first time but last wknd it was empty when I hooked up to water and didn't fill, was empty when I disconnected.

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