Q:

How do you install a sewer pump in a basement bathroom?

A:

Quick Answer

Install a sewer pump for a basement bathroom by determining the pump size, adding the sewage tank, connecting the pump and adjusting the float. Choose a location for the pit and pump that allows installation below the lowest drain in the system, and add a backflow prevention device to protect the basement from flooding.

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Full Answer

The number of drains the pump services determines its size. A 1/2-horsepower sewage pump is adequate for up to three drains, but four or more drains requires a 3/4-horsepower pump. If the installation require pumping the sewage a long distance or greater than the standard height from the basement, choose the larger pump.

Locate the tank near the bathroom and other basement fixtures. The system depends on gravity flow from the fixture to the tank, so the inlet must be slightly below the level of the drains. Dig the pit, and place the tank in it. Level the tank, and fill it with water to ensure it remains in place. Backfill the pit around the tank, but keep dirt, gravel and concrete out of the tank.

Install the pump in the tank, and connect it to the discharge tube. Adjust the floats per the manufacturer's directions for proper operation of the pump. Ensure the tank has an airtight seal that prevents sewer gas from leaking into the area.

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