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Old 02-17-2009, 01:54 AM   #1
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1998 30' Excella 1000
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City Water hookup & Fresh Water Tank?

Hi,

Next weekend, we're headed for the coast where, if the gods permit, we will enjoy sun, warmth & frolic. It's still winter here (Well below 30 still likely at times for some time to come), so I'll at least partially de-winterize for the trip. Since we'll have full hookups next weekend, I'm thinking I'll just hook up to the city water and won't even close the drain valve on my fresh water tank to make it simpler to re-winterize on returning home. When I hook up to the city water at the campsite, will any of that water flow to the fresh water tank? I don't know what valving might be in place to control this.

We're working with a 1998 Excella 1000 & I'm hoping the answer is not "Well, it depends....".

Walt
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Old 02-17-2009, 05:31 AM   #2
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Walt,
City water should not back up into the potable water tank. There is a check valve in the water pump that should prevent that from happening. So you should be OK in leaving the drain valve on the potable water tank open. Enjoy your camping trip.
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Old 02-17-2009, 12:08 PM   #3
2006 F350 V10 Ext. Cab LB
 
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1998 30' Excella 1000
Sherwood , Oregon
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Hi Carl, Elaine & Bailey Beagle,

Thanks for the response.

As I think about it, that check valve is probably critical. Without it, you would probably have 50 to 60 PSI of pressure in the potable water tank, and I doubt it's built to hold pressure like that.

Walt
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Old 02-17-2009, 04:28 PM   #4
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Walt,
The potable water tank has a vent tube so it will not pressurize at all. If the chek valve in the water pump is bad and allows water to backflow into the potable water tank it would eventually fill up and overflow water would start exiting the vent tube. The vent tube outlet is right next to the fill tube on both our '87 and '06.
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2006 30' Classic W Slide & Limited Package Katarina
2006 GMC 2500 HD 6.6 Turbo Diesel Crew Cab 8' Bed
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