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Old 07-11-2019, 03:00 PM   #1
dneRVer
 
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Fresh Water Issues with Geo Pro 19 FBS

Hello folks, I see that this is probably the second most popular line of questions associated with Rockwood trailers. I am attaching a picture of the three valves on our 19FBS and since I have tried several different configurations, I am not sure what the correct configuration of the valves is for using Fresh Water and NOT FILLING THE FRESH WATER tank at the same time. Any help is appreciated. With the valves in this configuration (See Photo), City water supply fills the Fresh Water Tank. I understand that I probably also have a stuck backflow valve as well, but I need to know the correct position of these three valves for use on a City Water supply then I can correct the backflow valve issue separately. Sincerely, Dnerver
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Old 07-11-2019, 03:10 PM   #2
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Someone with a GeoPro/EPro will have answer because most TTs have a separate FW tank fill, from the city water connection.
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Old 07-11-2019, 10:16 PM   #3
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This diagram may help you.Your WH bypass valves (#1 and #2) are two 3-way valves like options 3a/3b on page 2 of the diagram.

Your FW tank/anti-freeze valve (#3) appears to be a 3-way valve, but I don't know why you have a tee with another blue line at the bottom. Do you know where that line goes?
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Old 07-12-2019, 10:28 AM   #4
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If I had to guess, you probably have a hose connection outside that says "antifreeze" or "Winterization"?

If so, valve #3 switches between the antifreeze connection outside (for winterization purposes) and the fresh water tank pump suction line. If this is the case that valve is currently in the incorrect position and is set to draw in antifreeze instead of pulling water from the fresh water tank, this is assuming that the upper tube goes to the outside antifreeze port. If it appears that the upper tube routes to the fresh water tank then it's OK, but my "guess" is that it's still in the winterization position.

Vales # 1 & 2 are 3-way valves for bypassing the water heater during winterization, It appears that valve #1 is in the correct position, but valve #2 is in the bypass position and needs to be changed as well.

A good way to think about it whether 2-way or 3-way valves is that the handle typically points in the direction of water flow. So on a 2-way valve if the handle is parallel with the pipe it's open, perpendicular then it's closed. On a 3-way the valve handle is parallel with the flow path and closed to the other side, but you have to know the direction of flow to apply this principal.

What's throwing me a little is where does the blue pex line at the pump suction tee that's heading toward us in the picture go to?

If you're trying to pull out of your FW tank, try changing the positions of valves #2 & 3 and see what that does for you. Make sure you have enough water in the tank for the pump to pull, I know on our Mini Lite if I only have one LED lit up on the control panel the pump will sometimes cavitate due to not enough water in the tank......

Just went back and read a little closer, if the city water connection is filling the FW tank that sounds like a stuck check valve to me?
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