Step-by-Step Sump Pump Battery Backup Installation: A Commerce City Guide

2026-04-02

Plumbing Guide

A battery backup keeps the sump pump running when the power fails, exactly when the water rises. The install adds a second pump and the battery.

Step-by-Step Sump Pump Battery Backup Installation: A Commerce City Guide

The why

The pump fails when the power goes out, which is when the basement floods. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the backup covers the storm.

The pump

Add the backup pump to the pit, alongside or above the main pump. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the backup pump sits higher in the pit.

The discharge

Tie the backup's discharge into the main line with a check valve on each. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the check valves keep the flow one-way.

The battery

Connect the battery and the charger, sized to run the pump for hours. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the battery is the reservoir of power.

The controller

Install the controller that switches to the backup when the power drops. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the controller manages the handoff.

The test

Test the backup by disconnecting the power and filling the pit. freezing winters and hard water are both common, and older homes often have aging supply lines In Commerce City, the test confirms the handoff works.

The call

Install the backup before the storm. Call 888-217-3585 and Commerce City Plumber Connect will match you with a Commerce City pro for the job.

Plumbing in Commerce City: what to know

In Commerce City, freezing winters and hard water are both common, and older homes often have aging supply lines. Pros in our network know the local quirks and bring the right parts on the first visit.

Across Denver County — from Brighton, Thornton and Lochbuie to ZIP codes like 80022, 80640, 80601 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.

Need a hand in Commerce City?

If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Commerce City Plumber Connect will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Commerce City.

Plumbing emergency or urgent repair? Call now.

Call 888-217-3585 and we'll match you with a vetted plumbing pro in Commerce City — usually within minutes.

Emergency? Call Now888-217-3585
Emergency? Call Now888-217-3585