Question about Intex Krystal Clear Model 635 Pool Filter Pump 1500 Gph

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Pump makes the sound of working but the water is not sucking in or pushing out

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Your impeller has probably broken

Posted on Sep 26, 2010


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Pump not sucking in water what would cause this?

These pumps are not designed to **** water like some might think. There is going to be some vacuum created for the fact that it is an axial pump. You really should have a water supply pushing water to the unit instead of trying to use it to **** water.

I have used a pump like this to **** water but it only would pull water from a 6 to 7 ft hose and nothing longer. If it use to **** before then it sounds like your low pressure valves in the pump are becoming worn out and would have to be replaced.

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ORECK DMS2000 No Steam
First, tested tank and filter flow together using suction via
plastic tubing. Worked freely Second, removed pump
and disconnected hoses and terminals [watch location,
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and I could blow water either way. Sucked white vinegar
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do you get any error messages on the display?

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