How To Install A Sump Pump

How To Install A Sump Pump

Contributor

By Murray Anderson, eHow Contributing Writer

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If water getting into your basement is an ongoing issue, a sump pump may be the answer to your problem. Houses built on flat terrain where heavy rains or melting snow don't get a chance to run off are often subject to basement flooding. Once the ground is saturated, ground water pressure builds up and forces water into a basement through tiny cracks in the concrete. A sump is basically a hole in the ground, cut through your basement floor. Water drains into the hole and the sump pump moves the accumulated water out and away from your house.

Difficulty: Challenging

Instructions

Things You'll Need:

Caulking gun and caulk
Level
Jackhammer (rented)
PVC pipe, fittings and PVC cement
Cement and trowel
Gloves and eye protection
Hack saw, electric drill
Sump pump and liner
Preparing the Sump Pit

Step 1

Determine where your sewer, water and other utility lines enter your home. You don't want to damage any existing utilities when digging your sump pit.

Step 2

Locate your sump pit at the lowest point of your basement floor (use a level to determine where that point is). The location should be near an exterior wall and located close to an electrical outlet (if possible). The pump will need to be plugged into a GFCI protected circuit.

Step 3

Determine where the discharge pipe is going to run out of your basement--usually through a rim or header joist near the sump. Decide how you are going to route the pipe from the pump to the outside of your house.

Step 4

Purchase your sump pump and liner before you move on. The sump liner (in reality, a plastic tub with holes in the sides so water can seep in) will act as a template for the hole you need to make in your basement floor.

Step 5

Place the liner on the floor where you are locating your sump pit and trace around its outline.

Step 6

Using a rented jackhammer cut around the marked outline and break up the concrete into manageable sized chucks for easy disposal.

Step 7

Dig the hole to the depth recommended by the sump pump manufacturer (usually 24 inches) and level the bottom.

Step 8

Put the liner in place and ensure it fits. Seal around the edges of the liner with concrete and trowel it level with the floor.


Installing Your Sump Pump

Step 1
Attach the discharge pipe to the sump pump (usually 1 1/4" PVC) and set the pump into the pit. Check for level and use plastic shims if necessary.

Step 2
Drill a hole through the rim or header joist to accommodate the discharge pipe and cut and run a piece of PVC pipe through the hole. You want about 6 inches of pipe outside the house and 3 or 4 inches inside the house.

Step 3
Measure and cut PVC pipe to attach to the discharge pipe installed through your wall and run back to the discharge pipe of the pump.

Step 4
Dry fit to ensure lengths are right and then cement the pipe sections.


Step 5
Support the pipe runs by attaching to the walls or joists.

Step 6
On the outside, caulk and seal around the discharge pipe and attach a pipe to run the water at last 6 feet away from your foundation. Use a diverter to direct the water well away from your house.

Step 7
Adjust the float valve (as per manufacturer directions), plug in the pump and pour in 5 or 10 gallons of water to check the pumps operation.


Read more: How to Install a Sump Pump
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