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05-20-2022, 07:07 AM
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#1
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Senior Member
Join Date: Apr 2018
Posts: 191
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Fresh water tank filling up
I am not sure why my fresh water tank keeps filling up when I am hooked up to city water. I have attached a picture showing how I have my valves turned since dewinterizing. Do I have something turned wrong or do I have another issue. I did not have this issue last year after dewinterizing. 2020 34IK. Thanks for any info. 
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05-20-2022, 07:36 AM
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#2
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Senior Member
Join Date: Sep 2014
Posts: 2,310
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Sometimes the check valve get stuck, turn your fresh water pump on and off a few times. This helps solve the issue most of the time.
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XLR Thunderbolt 300X12HP
2014 Ram 3500 DRW
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05-20-2022, 07:38 AM
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#3
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Senior Member
Join Date: Nov 2021
Location: SW Florida
Posts: 373
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not 100% SURE but, your red lines valves are inline direction but blue is other direction.
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Abe Arctic Wolf 2021 29IRl
2017 Titan XD 5.0 Diesel 2018 Indian Roadmaster
Disabled Vet, IT Guy SW Fla.
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05-20-2022, 08:37 AM
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#4
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Senior Member
Join Date: Apr 2018
Posts: 191
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I am going to try turning the pump on and off a few times. I will let everone know how that does. Thank you
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05-20-2022, 08:49 AM
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#5
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Senior Member
Join Date: May 2020
Location: Right in the Middle
Posts: 1,252
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Quote:
Originally Posted by mshenygo
I am going to try turning the pump on and off a few times. I will let everone know how that does. Thank you
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I can't help you with valve position, but might want to think of the check valve as a ball bearing, with a spring to hold it in place.
Best way to "exercise" it (imho) is by switching back and forth between water sources: City pressure, pump pressure, city pressure, pump pressure. That does a lot to "wiggle it free."
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2022 Rockwood Roo 235S
15kBTU AC; 12v fridge; 1kW roof-mounted solar panels; 80 amp MPPT charge controller; 3,500w pure sine wave inverter; 30a automatic transfer switch; MicroAir EasyStart, 600ah Chins LiFePo; Honda EU2200i (with Hutch Mountain propane conversion kit) gathering dust in the storage unit.
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05-20-2022, 11:12 AM
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#6
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Senior Member
Join Date: Apr 2018
Posts: 191
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I will follow up in a little bit.
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05-20-2022, 01:07 PM
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#7
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Senior Member
Join Date: Apr 2018
Posts: 191
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So I went out and turned the water pump on got some water out of the faucet but it was almost all just air,and the pump just keeps running.The fresh water tank is full I turned the drain valve on to drain the tank and it is still emptying. With the city water on and the pump on switching back and forth it is the same amount of water. Would it be the check valve still stuck, if it is can it be taken apart and cleaned? Thank you
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05-20-2022, 01:37 PM
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#8
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Senior Member
Join Date: Jul 2021
Location: Saint Cloud, Florida
Posts: 527
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Quote:
Originally Posted by mshenygo
So I went out and turned the water pump on got some water out of the faucet but it was almost all just air,and the pump just keeps running.
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That would likely indicate that the valve for sucking winterizing antifreeze into the system is still open, and the pump is sucking air instead. Make sure that valve is closed.
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2018 Georgetown XL 377TS
2020 Jeep Gladiator "Toad"
CAMPING (n. CAM-ping) - When you walk the dog in your pajamas with a cup of coffee in one hand and a bag of dog poop in the other while striking up a conversation with total strangers.
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05-20-2022, 01:37 PM
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#9
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Senior Member
Join Date: May 2020
Location: Right in the Middle
Posts: 1,252
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If your freshwater tank is full, I’m surprised you’re not getting a prime on the waterpump. Is the anti-freeze intake valve closed so that you are really drawing from your freshwater tank?
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2022 Rockwood Roo 235S
15kBTU AC; 12v fridge; 1kW roof-mounted solar panels; 80 amp MPPT charge controller; 3,500w pure sine wave inverter; 30a automatic transfer switch; MicroAir EasyStart, 600ah Chins LiFePo; Honda EU2200i (with Hutch Mountain propane conversion kit) gathering dust in the storage unit.
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05-20-2022, 07:07 PM
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#10
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Member
Join Date: Jun 2017
Location: Danville, Va.
Posts: 76
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I had a issue with my water tank filling up the first spring I used my Georgetown after winterizing etc. We went somewhere and hooked up to water, my fresh water tank slowly filled up. Found out that our outdoor spray/shower had one of the knobs turned on instead of off. Some reason they seemed to operate backwards. Check that out.
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2018- Georgetown- 36B5 GT
Veteran USN / RD3 68-74
Retired Electrician, Miller Brewery, 31 yrs.
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05-20-2022, 09:25 PM
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#11
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Senior Member
Join Date: May 2018
Location: Texas
Posts: 1,371
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Fresh water
X2-anti-freeze valve. Sucking air is the give away.
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05-21-2022, 12:50 AM
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#12
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Senior Member
Join Date: Mar 2019
Location: Joliet, IL
Posts: 1,342
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If I'm not mistaken there is a shutoff valve in the water control bay on the line from the FW tank to the pump and if it is not open then the OP would only get air when the pump is running. I have experienced it a couple of times and had to open the valve to get water through the pump.
I had the FW tank overfill one time. Orvan pointed out that the City/FW valve may not have been all the way towards the City. I went ahead and had Orvan install a valve after the City/FW valve on the line that goes to the FW tank in case I run into the problem again, which I haven't.
Good luck and stay safe - 
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TST Cap System (Tire Monitoring)
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Curt A25 5th Wheel Hitch (replaced Demco 18K Auto-slide)
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05-21-2022, 05:56 AM
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#13
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Senior Member
Join Date: Apr 2012
Location: Fort White, Fl
Posts: 760
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Are you turning off the City Water and reliving the pressure before running the pump? I had the same problem one time and I had to turn off the City Water and run the pump to get the check valve to close. The pressure of the City Water would not let the check valve close.
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05-21-2022, 05:59 AM
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#14
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Junior Member
Join Date: Mar 2018
Posts: 18
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Quote:
Originally Posted by mshenygo
So I went out and turned the water pump on got some water out of the faucet but it was almost all just air,and the pump just keeps running.The fresh water tank is full I turned the drain valve on to drain the tank and it is still emptying. With the city water on and the pump on switching back and forth it is the same amount of water. Would it be the check valve still stuck, if it is can it be taken apart and cleaned? Thank you
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Turn the city water off before turning the pump on.
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05-22-2022, 02:51 PM
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#15
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Senior Member
Join Date: Apr 2018
Posts: 191
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Thanks for all the help turns out it was the city/freshwater tank valve that was stuck. Thanks for all your help!!!
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