Water-Powered VS Battery-Powered Backup Sump Pump. Which is the one for you?

How to Decide Between a Water-Powered or Battery-Powered Backup Sump Pump

Both types of backup systems have their advantages and drawbacks. The decision over which to use in your home will be determined by your specific water volume needs, and other factors. To get a sense for which pump type is right for your home, please see the advantages and disadvantages to each type of pump below. Still having trouble deciding? give Postma Heating & Cooling Inc a call today to speak to our plumbing experts.


Advantages of a Water Powered Backup Sump Pump

    Water Backup Pump

  • Potentially unlimited run time – Since water powered sump pumps are driven by your home’s municipal water pressure, they can run as long as water is available.
  • No battery to monitor – With a water powered pump, you no longer have to check, maintain, and replace batteries or keep an eye on a charger to make sure it is doing its job.
  • Water Powered pumps are ideal for the cottage or rental properties and those who do not want to have to monitor their backup pump as often.

Disadvantages of a Water Powered Backup Sump Pump

  • Homes with wells cannot use them – This is because a power outage shuts off the well pump.
  • Pumping Volume – Water powered sump pumps generally will not match the pumping rate of the battery backup solutions.
  • Installation – Water powered sump pumps are often a bit more involved to install, Since they connect to your home’s water supply piping.


Advantages of a Battery Backup Sump Pumps

    Battery Backup Sump Pump

  • Versatility – Most homes can use them.
  • Pumping Power – Can pump up to 25 gallons per/Min
  • Installation Simplicity – Since they often use the same discharge pipe as your primary sump pump, installation is generally straightforward.

Disadvantages of a Battery Backup Sump Pumps

  • Run Time – During a power outage there is a limit to how long the pump will continue operating, since the battery will only store so much power.
  • Overall battery life – the batteries that these pumps run on must be replaced every 3-5 years. In order to have a system that you can rely on.
  • More Maintenance – You have to keep an eye on the battery charger and perform tests to make sure its doing its job and can be relied on in the event of a power outage.