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Old 09-22-2014, 07:27 AM   #1
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Advice Needed

I have a 2013 Rockwood Signature Ultra Lite 8244WS 5th wheel. The water filter is located behind a panel in the basement storage. It's also behind a bunch of other plumbing and electrical wiring. To winterize I will have to get to this filter to remove and empty. Can anyone with experience explain how to do this without spilling it all in the basement storage?
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Old 09-22-2014, 08:04 AM   #2
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If you use the compressed air method of winterizing, that will empty the filter. Even if you ultimately use anti-freeze after you 'blow it out' that is how I get my water filter empty.
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Old 09-22-2014, 08:24 AM   #3
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I had the same problem.

I had to remove the back wall of the basement to access it. Like the added space and left the wall out permanently.

I have since removed that filter (using an external one from Wal-Mart) and replaced it with an expansion tank for when we boondock.

Since these photos were taken I added a shutoff valve close to the expansion tank. After draining, I shut the valve prior to winterizing to keep antifreeze out of the expansion tank.
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Old 09-22-2014, 12:12 PM   #4
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So the expansion tanks holds water, air, both? Does it matter which way it is mounted? It's purpose is to even out the water pressure and make the pump not run as much, especially when just a little dribble of water is needed, right?

Thanks for any info.
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Old 09-22-2014, 08:23 PM   #5
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Looks just like mine. Thanks, I'll try the air method, followed up with anti-freeze.
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Old 09-22-2014, 10:33 PM   #6
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Quote:
Originally Posted by Evereddie View Post
So the expansion tanks holds water, air, both? Does it matter which way it is mounted? It's purpose is to even out the water pressure and make the pump not run as much, especially when just a little dribble of water is needed, right?

Thanks for any info.

The expansion tank has a rubber bladder in the middle that separates the tank into two sections.

There is pressurized air on the Shrader side of the bladder. You set the pressure with a compressor to be less than your pump output pressure.

With no water pressure, the bladder expands like a balloon to fill the tank.

When water is introduced at a higher pressure than the bladder, the water pushes the bladder into the tank raising the pressure on the air side as water fills the "now" water side. When the pressure is equalized, the water stops entering the tank. A 2 gallon tank will hold about 1.5 gallons of water under pressure.

When running the water with city pressure, the tank acts like a shock absorber and keeps the water pressure constant under use (like a faucet opening while you are showering.

When under water pump pressure it also will supply about 1 gallon of water at full system pressure before the pressure drops enough to trigger the low pressure switch in the water pump. This is enough for several night time toilet uses before the water pump comes on and wakes everyone up.

The downside is that once it does come on, it will run till the tank is again at system pressure.

It can be mounted vertically, but you still need to access the air valve on the opposite end of the tank from the water inlet.

Here is a photo of a smaller one by Shurflo. It has a great view of the air valve. I tried it first but it is only good for a single #1 flush so I went with the larger tank.
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Old 09-22-2014, 10:40 PM   #7
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Marvelous. Thanks much for the information.
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