Question about Sunterra 450gph Pond Pump

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Pump goes on and off

My pump cycles on and off. It use to run whenever plugged in and that controled the on off, of course. Now it will maybe run for 20 min or so shut down and come back on in say 3 or 4 min. I've cleaned it and checked the power source and seemed to be ok. It's not a year old

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The picture looks like the Sunterra pump that came with my freeform pond kit I purchased at Aldi's 5-6 years ago, but just had installed this spring. The pond is 4 x 6 x 1 foot or so deep. The problem is the small triangular shaped filter has to be changed constantly. The pond is in the sun, has a large plant in it and 3 goldfish/koi. It used to go a day or two before clogging up, but now it's an hour. The water 'bubble' shrinks down to nothing and I'm afraid my fish aren't getting enough oxygenation to their water.

Posted on Jul 23, 2013

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Does the pump have thermall protection? It sounds like its getting hot and tripping the thermal protection switch in the pump windings.

Posted on Nov 08, 2008

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I have installed a Hunter psr22 pump start relay and connected it to a Hunter src irrigation controller and when I cycle the irrigation controller to manual all stations it will not start the pump. There...


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