Sump Pump Installation Guide

Workflow

1. 1

   Size Sump Pump

   1 hour

   Calculate GPM for basement square footage and rainfall.

   Sump Pump SizingSewage Ejector Capacity

   Show tips (2)
2. 2

   Install Pit and Discharge

   3 hours

   Dig pit 24 inch diameter; route discharge away from foundation.

   Drain Pipe Slope CalculatorPipe Flow Rate Calculator (GPM)

   Show tips (2)
3. 3

   Wire and Test

   1 hour

   GFCI-protected circuit; test float switch cycle.

   Sump Pump SizingWater Hammer Arrestor Sizing

   Show tips (2)
4. 4

   Install Battery Backup

   1 hour

   Size backup for 24-hour outage coverage.

   Sump Pump SizingBattery Runtime Calculator

   Show tips (2)

Tools Used

• Sump Pump Sizing
  Primary

  Size primary pump GPM and head.

• Sewage Ejector Capacity
  Supporting

  Compare ejector vs sump for below-grade bath.

• Drain Pipe Slope Calculator
  Reference

  Slope discharge line away from house.

• Pipe Flow Rate Calculator (GPM)
  Reference

  Verify discharge line capacity.

Reference Materials

• Silent Check Valve

  Spring check valves eliminate water hammer bang.

• Cover Pit

  Sealed lid reduces radon and moisture escape.

• Annual Clean

  Remove debris from pit annually — extends pump life.

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