Install a Battery Back-Up Sump-Pump
If your worst nightmare is watching the water rise in your basement because the power has gone out and the sump pump is silent, ease your fears by installing a battery-operated back-up sump pump. A back-up pump is a small, easy-to-install submersible unit that is powered by a heavy-duty car battery. It is kept charged and ready to go when the electricity is on so it can supply power to the back-up pump when the power fails. This sidekick pump will help assure that your basement or crawl space remains dry and undamaged.

A plumber will install a unit for $225, but you can do it yourself for $150, saving more than 30 percent. If your house has plastic pipes, it's a doable project for a handy homeowner. But if you have galvanized or copper plumbing pipes, leave the installation to a plumber.

Pro vs DIY Cost and TimeNo matter who does the work, make sure that a check valve is installed between the new pump and the discharge line from the old pump to prevent back-flow.

Reminder: At least twice a year check the water level in the battery.

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