This will be for the discharge line of your backup sump pump. Thread a length of 2-in. PVC pipe through each hole in the wall ...
Required discharge flow rate and head may dictate which type ... There should be a bottom clearance of one-third of the suction pipe’s diameter. The sump can be a pit, tank, section of ditch or a low ...
Then again, that savings could cost you big time if one 100-year storm knocks out your power and turns a sump trickle into a ...