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Old 10-03-2016, 08:53 AM   #21
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I appreciate the concern and the advice everyone has given me. I am thick skinned enough to be able to except it when someone tells me "that's a stupid thing to do." Since I found no check valve or anyway to do a reset on the anti-freeze Inlet it was an attempt to get me through the next two days of camping. Disconnecting and reconnecting the water hose at the last campsite eventually did something that allowed me to finish our camping there. So, I thought I would give it a try. I was aware that the anti-freeze inlet was not designed to have city water hooked up to it but I only turned the water on for about two seconds and then immediately turned it back off.

Also be aware that after removing the under cabinet water filter I only have one valve left and it is a two position valve. Operate the valve to the other position when hooked up to city water and as someone else stated water goes into the freshwater tank. I feel like I have pretty much proven that the issue is the water pump itself. Most likely as everyone else has stated a check valve. That's the direction I'm headed to on troubleshooting at least.

If anyone else thinks of something else please let me know. I appreciate everyone's input.

Ken
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Old 10-03-2016, 09:14 AM   #22
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The pump and single two position valve I have. The hose from the back side of the pump and valve comes from the anti-freeze inlet.

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And the hose from the front part of the pump feeds freshwater to the rest of the RV.

At least that's the way I think it all works.
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Old 10-03-2016, 09:17 AM   #23
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When my water pump was leaking back into my holding tank when connected to shore water I switched over to the AF hose pump input and pinched off the AF hose. This kept the holding tank from being filled with shore water as the water was directed to the AF pinched off hose (no leaking). I did this as an interim to repairing my water pump when at home and so I could complete my camping trip without issue.
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Old 10-03-2016, 09:56 AM   #24
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Quote:
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When my water pump was leaking back into my holding tank when connected to shore water I switched over to the AF hose pump input and pinched off the AF hose. This kept the holding tank from being filled with shore water as the water was directed to the AF pinched off hose (no leaking). I did this as an interim to repairing my water pump when at home and so I could complete my camping trip without issue.
One of these would probably work, too.

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Old 10-03-2016, 10:03 AM   #25
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Rockfordroo,

I tried a temp fix using this on the AF inlet and it forced water into the fresh water tank.

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Old 10-03-2016, 10:07 AM   #26
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Yes it would if one has a fitting in that path to screw into. I don't, thus, the pinched tubing. Crimp at valve and open ended AF tube.
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Old 10-03-2016, 10:16 AM   #27
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Rockfordroo,

I tried a temp fix using this on the AF inlet and it forced water into the fresh water tank.

Attachment 122045
If it did, then either you didn't have the 3-way valve fulling turned to the AF position, or the 3-way valve was leaking by.
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Old 10-03-2016, 10:18 AM   #28
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Rockfordroo,

Remember, no three-way valve on mine. It's a two way valve. Antifreeze inlet is either open or closed.
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Old 10-03-2016, 10:52 AM   #29
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Rockfordroo,

Remember, no three-way valve on mine. It's a two way valve. Antifreeze inlet is either open or closed.
So is the 3 way valve (mine is also a 2 way). You apparently have 2 issues. A bad pump (allowing backflow) and a bad AF holding tank selector valve (allowing cross feed between tank and AF hose). I'm done.
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Old 10-03-2016, 11:03 AM   #30
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Thx all for everyone's input!!!!
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Old 10-03-2016, 04:26 PM   #31
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What you're calling a "2-way" valve is more often known as a "3-way" valve because it has 3 connections.

See here:

Three-Way Valves Category | Your source for 3 way valves, 3 way valve, 3 way plastic valve, 3 way plastic valves | U.S. Plastic Corp.
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Old 11-04-2016, 07:01 PM   #32
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Update:

Armed with a new water pump and new 3 way valve we went out recently on a 4 day trip to two different state parks. I elected to hook back up to city water just for grins and you guessed it, no more water coming out of the AF inlet. We just enjoyed our trip and I will keep parts on standby if/when it happens again.

Now if I could just figure out why anode rod Debris keeps stopping up the toilet flush valve...........


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