Why your basement sink needs an electric pump to reach the main sewer line
In short: Plumbing expert Richard Trethewey demonstrates how to install an electric pump to drain a basement sink. This solution is necessary when a sink sits below the level of the main sewer drain, preventing gravity from doing the work.
When a sink is installed below the grade of a home's main sewer line, wastewater cannot drain naturally. Richard Trethewey shows how to bridge this gap by connecting a bar sink to an electric pump, which forces the water upward to the main drain located several feet above.
The process involves using PVC pipe and various fittings to create the necessary plumbing connections. In addition to this specific installation, the segment reviews other mechanical devices designed to eject sewage and wastewater from basement fixtures.
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Sources
- Summary by Intellect · source: How to Install a Drain Pump for a Basement Sink | This Old House
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