We just had a sump pump & trenched drain pipe installed in our basement. Rained all last night. Crock had filled above one of the drain pipe inlets. I manually activated the pump & it emptied normally. It seemed like another inch or two & the float would have kicked it on. Due to having to go under a sewage drain pipe, one of the plastic drain pipes enters the crock pretty low. Maybe 6"-8" from bottom. My question is... Should the pump kick on before the water level covers the drain pipe. I don't like the idea of all that water sitting in the plastic drain pipe.
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Short-cycling the pump (by setting the float to turn on at a very low level, so there isn't much water to pump each time) will kill your pump faster than a higher setting. I'm not sure what you think is so horrible about water sitting in a plastic drain pipe, but if it does, you should probably get the sump pit made deeper. Or not worry about water sitting in the pipes. Your choice.– EcnerwalSep 30, 2020 at 16:10
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As long as your rate of incoming water is reasonable, there's no problem having one of the pipes coming into the sump pit submerged. Water basically finds a level. If you have a rate of incoming flow such that water isn't finding its level, you have a bigger problem than the level of the float.– HuesmannOct 5, 2020 at 16:19
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