How does a sump pump work in a basement?

A sump pump sits in a pit below your basement or crawlspace and automatically pumps water away from your foundation when levels rise. It helps prevent flooding and water damage during heavy rain, snowmelt, and high groundwater events.

TL;DR

  • Sump pumps keep basements dry: They remove water from a pit and discharge it safely away from your home.
  • They turn on automatically: Float switches or pressure sensors activate the pump when water rises.
  • Two main types: Submersible pumps sit in the pit; pedestal pumps sit above it for easier access.
  • Maintenance matters: Regular testing and cleaning help ensure the pump works when you need it most.
  • Backups are smart: Battery or water-powered backup pumps protect you during power outages.

Imagine the scenario: a heavy downpour outside, and you suddenly find your basement or crawlspace flooded due to rising water levels. If you already have a sump pump installed, you can sit back and relax – the pump will automatically activate and pump the water back outside.

Understanding Sump Pumps

A sump pump is a mechanical device designed to remove excess water from basements or crawlspaces. It is typically installed in a sump pit, a specially excavated hole that collects water from the surrounding area. When water levels rise, the pump activates, expelling the water away from the foundation through a system of pipes.

Most sump pumps are activated automatically through a float activator arm or a pressure sensor. The float activator operates similarly to the one in your toilet tank, while the pressure sensor responds to the increased pressure caused by water. There are also manually operated pumps available as an option.

Types of Sump Pumps:

Submersible Sump Pumps

These pumps are submerged in the sump pit and operate underwater. They are more discreet, quieter, and tend to require less maintenance. Submersible pumps are ideal for homeowners who prioritize a compact and hidden installation.

Pedestal Sump Pumps

Pedestal pumps have a motor mounted above the sump pit, keeping it out of the water. These pumps are generally more affordable and easier to access for maintenance or repairs. However, they tend to be louder due to the motor’s exposure.

Maintaining your Sump Pump for Reliable Operation

Although sump pumps are generally reliable, regular maintenance is crucial. Simple tasks such as checking the power supply, ensuring the pump is upright, testing its automatic activation with water, cleaning the pump’s grate, inspecting outlet pipes, and keeping the vent hole clear contribute to its reliable operation. Additionally, backup options like water-powered pumps or battery-powered systems can provide protection during power outages.

If you need help choosing or installing a sump pump, or inspecting or repairing a pump you already have, give us a call!