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Old 06-16-2013, 08:41 AM   #1
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1995 34' Excella
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Water won't pressure up

We recently purchased a 1995 Excella Wide Body. We cannot get the water to pressure up without having a water hookup, in other words we can't get water to flow in a "dry camping" mode.

Does anyone have suggestions?
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Old 06-16-2013, 08:53 AM   #2
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Hate to ask the obvious, but is there water in the tank?
Can you hear the pump running? There should be a switch to turn the pump on.
If the pump is worn sometimes opening a couple faucets will allow it to prime easier.
One time I encountered a small motor home where the owner went to fill it and water ran out every where. Seems like a previous owner had removed the tank.
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Old 06-16-2013, 09:01 AM   #3
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There is water in the tank, and the pump can be heard running (switch was turned on). We opened faucets but it didn't prime. Could be pump just be too worn out even though it sounds like it's running?
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Old 06-16-2013, 09:11 AM   #4
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Quote:
Originally Posted by barronsm43 View Post
There is water in the tank, and the pump can be heard running (switch was turned on). We opened faucets but it didn't prime. Could be pump just be too worn out even though it sounds like it's running?
It may be bad. You could try disconnecting the discharge line at the pump and see if it primes. Best to have some one on standby at the switch.
I had one that would prime at floor level but not through the faucets. Once primed it worked fine but probably was near death.
Also if the hot water tank is empty it will need to fill first before there is any flow from the faucets. If you have been on city water it should already be full
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Old 06-16-2013, 09:49 AM   #5
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If the pump is not primed, remove the shower head and suck on the line. That usually gets the water moving to the pump..
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Old 06-16-2013, 09:56 AM   #6
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Another way to prime the pump is disconnect the input line, as far from the pump as possible, and attach a short length of hose that will allow you to get out in the hall. Now put a funnel on the hose and pore water into it. Turn the pump on the water should escape quickly. If the pump cleared the hose try pumping from a container at floor level. If this works reattach it to the tank and try again. If it could pump from floor level and not from the tank I would look for an air leak between the pump and the tank.

A weak pump may not be able to pick up a prime if the pump itself is dry.
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Old 06-16-2013, 01:20 PM   #7
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I feel like you are drawing air and not water. That set up has a brass valve installed between the water tank and the inlet on the pump. It is used to take antifreese from a gallon container and let the pump pull it in and winterize the trlr. It has a cap on top of it. Try removing cap, and screw on the winterizing hose on to it (should be in that compartment). Turn the brass valve to the up position, stick hose in a gallon of water. Turn on pump. Make sure gasket is in place on hose connector or it will draw air. If pump pulls water, then there is a bad connection somewhere between the tank and the pump. When that happens your pump will pull air and now water. Try turning the lever on the brass valve (diverter) back and forth to loosen it up as it could be stiff at first. Congratulations on getting your Airstream. My brother in law, Rick was prev owner and I helped him install the valve. Be happy to help in any way. You will love Hensey hitch.
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Old 06-16-2013, 03:35 PM   #8
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Same thing happened to me (Garybo1) except I was the one who installed the winterizing kit. Each time the pump came on it was like an earthquake - not much water pressure and lots of noise. Removed the brass valve and hooked up the suction line direct to the pump - no more problems.

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Old 07-02-2013, 07:54 AM   #9
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Smile Finally got the water flowing

Thanks, guys, for your help. Well, we don't know what actually got it working again but it is. After following your tips and failing to get it going, Darrell finally took the pump out and took it to a pump repair place he uses with irrigation pumps. They said nothing was wrong with it, so he took it back, put it back in place and immediately noticed it sounded really different. The water is flowing! Whoop. Let the travelling begin. He thinks maybe there was something clogging it up and it knocked it loose to remove the pump. ???
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