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i am a new home owner and i have concerns about my sump pump. it has been working properly until today. it was making strange sounds this morning so i took the cover off. the water level is below the sump pump, which i have never seen before but yet the pump comes on periodically. Is there a problem with the float, which is cylindrical and attached to the pvc piping? Should the water level be covering the sump pump at all times [IT IS AN OLDER METAL ONE}?

  • No, the water level doesn't have to be covering the pump but it usually does. Yes, it sounds like a float issue. It may be stuck - either internally, or within the sump itself, say against one of the sumps' components or the reservoir's side/. Can you move the float? – mike65535 May 13 at 16:23
  • yes, I can move the float but should I add water to the well first to cover the pump? – SHARON M PAGANO May 13 at 17:58
  • If you move the float, does the pump turn on and off? Does the float move smoothly? For testing, don't worry about the water level – mike65535 May 13 at 18:03
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    Can you provide a good picture of the setup? Edit your post to include it. – mike65535 May 13 at 18:04
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The obvious response that I should get out of the way here is, find and check your manual to be sure;

I believe the opening for the sump pump has to be submerged. I don't think there's an issue if the inlet is submerged but the top of the pump isn't, for example.

However if the water level isn't up to the opening for your pump, and it's not able to draw water in, the pump should not be running. Air getting into your pump while the pump running can contribute to the pump burning itself out.

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To me it sounds like the float switch is stuck in the on position and the pump is overheating and shutting down. Almost all pumps require water to cool and lubricate the shaft seal. Some pumps can be damaged in as little as 30 seconds without proper water levels. So I would actuate the float up and down (move the switch or wiggle it to see if it is stuck) this may free it up but if it keeps cycling on and off with no water it is probably overheating and the internal thermal overload is trying to keep the pump from melting down.

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