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Old 11-13-2015, 06:11 PM   #11
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Fresh Water Tank Fill

I own a 2014 3050DS, I imagine the layout is most likely the same. The fill is on the side of the trailer. It is a gravity filler for the FW tank. That is how you have to fill it. City water fill bypasses the FW tank. My FW tank drain shutoff is behind a panel in the storage area below the fill on the side. Same area my water pump is located. I hope they put a winterizing kit on the pump on the new model. Mine calls for draining the FW tank and then putting a few gallons of RV antifreeze in the tank to winterize. The way my pump is in I can't get at the pump inlet to put a winterizing kit on it.
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Old 11-13-2015, 06:37 PM   #12
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You MAY be able to fill you FW tank with city water IF your plumbing is set up appropriately. IF you have an anti-freeze (AF), aka winterizing, connection and IF you have separate suction valves to your water pump, one from the FW tank and one from the AF connection, you can fill the FW tank with a hose. Attach your city water hose to the AF connection and open BOTH suction valves. Water will now flow from the hose, through the AF connection and suction valve, then through the FW tank suction valve to the FW tank. This will fill your FW tank fairly quickly, so be CAREFUL. Use either valve to regulate the flow. You don't want to blow up your FW tank because you filled it too quickly. You don't want to fill faster than it can vent, and it will vent more slowly once water gets to the vent line.

When you're done, close the AF suction valve, leave the FW suction valve open.

When the RV folks started adding these AF connections, they used the 2 valves described above. However, they've lately figured out that a single 3-way valve, that selects either the FW or the AF suction, is cheaper and easier.

I've done this FW tank fill several times on my Roo, which had separate suction valves. My Micro-Lite has the single 3-way valve; I haven't had a chance to try it to see if I can put the 3-way valve half-way between the two suction lines and still get flow.

See attached for a pictorial.
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File Type: pdf RV Plumbing pic.pdf (119.3 KB, 33 views)
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Old 11-14-2015, 01:50 AM   #13
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Filling Your Water Tank

You can also fill the FW tank with a potable water hose by putting the hose up to the FW tank fill port. KISS approach.


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Old 11-14-2015, 08:58 AM   #14
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Short answer is (as my dealer would tell you), any dealer salesperson worth their salt would have been able to tell you this, immediately!
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Old 11-15-2015, 06:10 AM   #15
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Filling Your Water Tank

Quote:
Originally Posted by Retired Air Force View Post
I own a 2014 3050DS, I imagine the layout is most likely the same. The fill is on the side of the trailer. It is a gravity filler for the FW tank. That is how you have to fill it. City water fill bypasses the FW tank. My FW tank drain shutoff is behind a panel in the storage area below the fill on the side. Same area my water pump is located. I hope they put a winterizing kit on the pump on the new model. Mine calls for draining the FW tank and then putting a few gallons of RV antifreeze in the tank to winterize. The way my pump is in I can't get at the pump inlet to put a winterizing kit on it.

Here's how I added winterizing kit.
Before:
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After:
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Everything that was added came with the winterizing kit, except some new clamps for the (shortened) white water line.


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Old 11-15-2015, 06:36 AM   #16
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Quote:
Originally Posted by Retired Air Force View Post
Mine calls for draining the FW tank and then putting a few gallons of RV antifreeze in the tank to winterize.
I'm not sure everyone read the question accurately.
Are you wanting to put AF in your FW tank?
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Old 11-16-2015, 04:20 PM   #17
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dan-nickie, the original (!) question was can the owner fill his fresh water tank from the city water connection on a 3050 c-class sunseeker ,the answer is - no you can't. ( unless your pump check valve is defective)
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Old 11-16-2015, 04:24 PM   #18
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Filling Your Water Tank

Quote:
Originally Posted by wana65stang View Post
dan-nickie, the original (!) question was can the owner fill his fresh water tank from the city water connection on a 3050 c-class sunseeker ,the answer is - no you can't. ( unless your pump check valve is defective)

I'll admit that I've only read this single post. But, for filling me FW tank when hooked up to city water- I'll take the end of my outdoor showerhead off and use its hose into the fresh water fill. Easy peasy for me since everything is in a single water bay.

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Old 11-16-2015, 04:28 PM   #19
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Originally Posted by ependydad View Post
I'll admit that I've only read this single post. But, for filling me FW tank when hooked up to city water- I'll take the end of my outdoor showerhead off and use its hose into the fresh water fill. Easy peasy for me since everything is in a single water bay.
Hey Ependydad, no can do on a 3050, shower and FW fill are on opposite sides
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Old 11-16-2015, 04:56 PM   #20
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Quote:
Originally Posted by wana65stang View Post
dan-nickie, the original (!) question was can the owner fill his fresh water tank from the city water connection on a 3050 c-class sunseeker ,the answer is - no you can't. ( unless your pump check valve is defective)
I don't know what the heck I was reading. Apparently I answered the wrong thread. Excuse me! :-)
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