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Old 08-25-2013, 11:28 PM   #1
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Water pump question

When we use the pump for the sinks & shower, the pump pulsates. When we flush the toilet and/or use the sprayer it is continuous.
Why???

Thanks
DICK
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Old 08-25-2013, 11:56 PM   #2
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Rate of flow, if there is enough back pressure in the line , the pump will stop , momentarily, as soon as the pressure drops it comes back on.
Toilet and sprayer, flow enough the pump sees no back pressure, runs continually.
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Old 08-26-2013, 04:27 AM   #3
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You need an accumulator (small 3-5 gallon bladder tank - Lowes or HD) and do away with any on/off problems.
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Old 08-26-2013, 06:58 PM   #4
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Ours does the same thing. Low flow rate. Thanks for the tip on the accumulator!
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Old 08-26-2013, 08:09 PM   #5
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Where is the line is the best place for the accumulator? I assume after the pump?
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Old 08-26-2013, 10:55 PM   #6
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Thanks for the replies. I'll check out the accumulator.

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Old 08-26-2013, 10:58 PM   #7
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Ours does that on low flow but it doesn't bother me a bit. Runs smooth on full flow.

I don't think I'd mess around with an accumulator unless it really bothers you.
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Old 08-27-2013, 04:32 AM   #8
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Quote:
Originally Posted by jtermini30 View Post
Where is the line is the best place for the accumulator? I assume after the pump?
Yes
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Old 08-27-2013, 04:39 AM   #9
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Quote:
Originally Posted by Arch Hoagland View Post
Ours does that on low flow but it doesn't bother me a bit. Runs smooth on full flow.

I don't think I'd mess around with an accumulator unless it really bothers you.
The problem with most any electro/mechanical device is the off/on cycle. Better known as heat/cool.
An accumulator eliminates many of those cycles. Also interesting that the very high end MH's have them from the factory.
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