Try to maintain the line at least on a half yearly basis.
Hook sumppump to gutter drain.
Speak with your plumber about installing a sump pump which directs water away from your home to a nearby storm drain.
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Simply cut your gutter extender at a 45 degree angle and connect it to your downspout with the zip hinge and 8 screws.
So it would be preferable that you drain a sump pump outside and at least 4 to 6 feet away from your foundation of your home so it doesn t drop water back against the foundation wall.
While a blocked sump pump discharge can lead to a wet basement so can blocked downspouts.
Learn other downspout extender solutions here.
Sump pump discharge line underground is a vital part of the sump pump.
The home pictured below had a downspout discharging directly into an underground yard drain that filled with ice and ended up leaking a lot of water in to the basement during the course of my inspection.
The performance of the discharge line dictates how the pump is going to perform or how long it s going to last.