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Old 05-28-2009, 09:07 PM   #1
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Sump Pump Merely Churns Water, Doesn't Drain


My Flotec pedestal sump pump churns the water around, but the level does not go down. Consequently, the float is always up and it runs for days, gets hot, and makes a burning smell.

I bailed out the well with a bucket. Is there possible a pipe not connected? I didn't see a problem.

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Old 05-28-2009, 09:16 PM   #2
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Sump Pump Merely Churns Water, Doesn't Drain


Is there a check valve in the system?

Where does it pump to?

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Old 05-28-2009, 09:40 PM   #3
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Sump Pump Merely Churns Water, Doesn't Drain


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Originally Posted by sweaty View Post
My Flotec pedestal sump pump churns the water around, but the level does not go down. Consequently, the float is always up and it runs for days, gets hot, and makes a burning smell.

I bailed out the well with a bucket. Is there possible a pipe not connected? I didn't see a problem.
Did you make any changes recently? Is the check valve reversed?
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Old 05-28-2009, 09:40 PM   #4
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Sump Pump Merely Churns Water, Doesn't Drain


Could be the impeller has come loose.
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Old 05-29-2009, 05:54 AM   #5
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Sump Pump Merely Churns Water, Doesn't Drain


No changes. I do not know if there is a check valve. It pumps through plastic pipe, goes through the wall, underground, and empties about 20 feet from the house.

The house was built in 1977 and I suspect this is the original pump.
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Old 05-29-2009, 09:13 AM   #6
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Sump Pump Merely Churns Water, Doesn't Drain


Disconnect the line and blow it out. If the line is clear, the impeller has broken down to bits. "Bits" is enough to churn but NOT create a flow pattern!


Flotec brand (nowadays anyway) is part of the problem!!!
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Old 06-21-2009, 04:51 PM   #7
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Sump Pump Merely Churns Water, Doesn't Drain


is a check valve always necessary?
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Old 06-21-2009, 08:33 PM   #8
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Sump Pump Merely Churns Water, Doesn't Drain


Check the inlet, is it clogged?
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Old 06-22-2009, 08:46 AM   #9
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Sump Pump Merely Churns Water, Doesn't Drain


The old pump bit the dust. I bought a new Rigid 1/2 hp pump at HD and it's great! Real quiet and powerful.
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Old 06-22-2009, 09:33 PM   #10
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Sump Pump Merely Churns Water, Doesn't Drain


Check valves are generally necessary. Primarily, they are to keep a) the pump from spinning backwards and b) water from flowing back into the area you're trying to drain.

In deep well pumps, the well pump shuts off and then suddenly the flow reverses for a split second - without enough check valves that could end up being a LOT of water that is reversing. For example, at the bottom of a 300 foot bore, you can see up to 189 PSI in the pump discharge head (300 feet of head X 0.43 PSI per foot, plus 60 PSI for the cut-off pressure).

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