City water inlet filling my fresh water tank?

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   Just got back from a rwo-night jaunt into the Santa Cruz mountains. I would have asked this question up there but cell service was almost non existant.
When I hooked up my hose to the city water connection on my 180 I noticed that later that evening I had water running out of my fresh water tank inlet. (The tank was only 3/4 full previously.)

I couldn't seem to keep the city water connection from backfilling the fresh water tank, so I disconnected the line and turned the pump switch back on and used the water pump for the rest of the trip to pump from the water tank.

I seem to remember having this issue before but can't remember how I solved it.

Also, when I got home and put the trailer away my power jack stopped working. I checked the inline fuse but it was good. I had to use the hand crank to unhitch the rPod from my truck. Did the jack die or is there an electrical malfunction?

Thanks in advance for the advice.

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OldNeumanntapr Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 May 2018 Location: CA Online Status: Offline Posts: 204	Topic: City water inlet filling my fresh water tank? Posted: 29 Apr 2021 at 12:40am
	Just got back from a rwo-night jaunt into the Santa Cruz mountains. I would have asked this question up there but cell service was almost non existant. When I hooked up my hose to the city water connection on my 180 I noticed that later that evening I had water running out of my fresh water tank inlet. (The tank was only 3/4 full previously.) I couldn't seem to keep the city water connection from backfilling the fresh water tank, so I disconnected the line and turned the pump switch back on and used the water pump for the rest of the trip to pump from the water tank. I seem to remember having this issue before but can't remember how I solved it. Also, when I got home and put the trailer away my power jack stopped working. I checked the inline fuse but it was good. I had to use the hand crank to unhitch the rPod from my truck. Did the jack die or is there an electrical malfunction? Thanks in advance for the advice.

StephenH Members Profile Send Private Message Find Members Posts Add to Buddy List podders Helping podders - pHp Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6289	Posted: 29 Apr 2021 at 9:25am
	You did the right thing with using the pump. Most of the time that seems to work okay for clearing the check valve. You may find that you are okay with using city water again. As for the power jack, check the cleanliness and tightness of the nuts and bolts holding the jack to the tongue. If it grounds there, then you might not have a good ground which can cause this. If it has a separate ground wire, check the attachment for that as well as the power connection. That is the most likely scenario. Also, is there a breaker that may have tripped? If so, press and reset it.
	StephenH Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS

Old Man Running Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2021 Location: Alabama Online Status: Offline Posts: 23	Posted: 30 Apr 2021 at 6:43pm
	I have a similar problem as indicated above but with an added issue. When I power the water pump ON, the pump begins to surge, but since none of the faucets are open the pump just continues to surge. Of course when your open a faucet the water will come out as usual. There must be a check valve in the plumber network which prevents city water from being diverted into the fresh water tank, but not sure where this valve would be located. Any thoughts?

StephenH Members Profile Send Private Message Find Members Posts Add to Buddy List podders Helping podders - pHp Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6289	Posted: 30 Apr 2021 at 7:52pm
	There is a check valve at the city water inlet (remove the screen and you can see it). Other than that, there is a check valve in the pump that is supposed to keep the city water from going to the fresh water tank. Those are the only two in the fresh water system that I know of. Are all your valves set? Is this something that happens all the time? Is there air in the system? Is there adequate water in the tank so that it isn't pulling air from there? I'm not sure if any of these questions will help you trace it down, but they might help. Also, check for any kinked hoses and that the filter screen in the little bowl at the pump is clean and that it is undamaged and tight.
	StephenH Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS

offgrid Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Jul 2018 Online Status: Offline Posts: 5290	Posted: 01 May 2021 at 6:31am
	Can you describe the pump sound in more detail? When you use the word "surge" what does that sound like? Is that different from the normal pump operating sound? Is it cycling on and off or continuous? A slow leak or slightly open check or faucet valve will sound like normal pump operation but on a very low duty cycle, just a short pump sound at long intervals as it re-pressurizes the system that has slowly leaked down. If you have a major leak it will sound like it does when you open a faucet. If you have continuous pump operation like that the leak should be obvious and it won't be through the check valve between the tank and pump because the pump is pulling water through that valve in the normal direction continuously.
	1994 Chinook Concourse 1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold