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post #1 of 6 Old 03-14-2009 Thread Starter
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fresh water pump problemo...

I let the fresh water tank get depleted a few days ago, and after refilling it, the pump runs continuously without fully pressurizing the system. I've got a faint stream running out of the tap instead of a nice hearty flow I had before. Can air in the system cause these symptoms? Do I need to somehow prime the pump, as it were?
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post #2 of 6 Old 03-14-2009
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Probably needs priming, but without a description of the system it is hard to tell. My pump will self prime only with no backpressure - so I open every tap on the boat and wait until it primes - I can tell by the sound of the pump.
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post #3 of 6 Old 03-14-2009
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I had that happen once and i undid the pipe right past the pump so it didn't have to fight any pressure anywhere and it kicked in right away
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post #4 of 6 Old 03-14-2009
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jackytdunaway is right. Simply remove your output line and replace it with the pump running and you should have pressure.

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post #5 of 6 Old 03-14-2009 Thread Starter
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GC, Jacky, lharmon: thanks to you all. GC's suggestion was simplest, so I tried it and it worked. Tell me if I'm wrong, but I think you all gave me something of the same solution. In any event it worked. Once again,thanks to you all!
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post #6 of 6 Old 03-14-2009
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They are all the same. Taking the pipe loose is more trouble but takes away the issue of the hot water heater leaving some pressure. Always try just faucets 1st
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