Installing a sump pump in your basement is an important home improvement project to protect you and flooding. A properly installed sump pump system can remove excess groundwater and storm water from your basement before it causes issues. Here is a step-by-step guide on how to install a sump pump in your basement.
Install the sump pit
The sump pit is the housing that contains the sump pump. This is located in the lowest spot of your basement floor where baysideplumbing naturally accumulates. Mark the location for your sump pit based on your basement’s layout. Most are installed in a corner several feet away from foundation walls. Dig or drill a hole approximately 24 inches in diameter and 24 inches deep. The depth can vary based on your region’s frost line. Just make sure the pit will extend below the basement floor level. Line the pit walls with cinder blocks, bricks, treated wood, PVC plastic, or other materials to prevent collapsing and provide stability. Avoid porous materials like concrete blocks. Install a plastic sump pit liner inside the housing if desired to prevent water seepage into the surrounding soil. This also makes it easier to clean the pit periodically. The sump pit is now ready for the sump pump installation.
Install the discharge pipe
The discharge pipe carries water pumped from the sump pit to the outdoor discharge location away from your home’s foundation. Follow these steps:
- Measure PVC pipe to run from the sump pit to an outdoor discharge spot at least 10 feet from your foundation walls. Include a downward bend near the discharge end to prevent backflow.
- Drill holes through the foundation or basement wall to route the pipe outdoors. The hole should be slightly larger than the pipe diameter.
- Attach the pipe to the sump pump discharge outlet according to the manufacturer’s instructions. Many pumps use threaded fittings.
- Secure all joints with PVC primer and cement. Test for leaks before attaching the outlet end outside. Proper installation of the discharge pipe is critical for directing water away from your basement.
Connect the sump pump
With the pit dug and discharge pipe in place, it’s time to hook up the sump pump:
- Place the sump pump in the center of the sump pit liner. Make sure it sits level on the bottom.
- Attach the discharge pipe to the pump outlet. Seal the connection according to the product instructions.
- Connect the power cord to a nearby three-prong grounded outlet if using an electric sump pump. Elevate the cord connections above the pit water level.
- Install a check valve on the discharge line to prevent water from flowing back into the sump pit. Position it above the pump itself.
- Fasten the float switch to turn the pump on and off based on water levels. Place the switch above the sump pump so water can be fully emptied.
- Test that the pump turns on when the float rises with water and shuts off when lowered. The switch should have about 1-inch vertical clearance between on and off positions. The sump pump is now wired and ready to remove water from the basement.
