Zoeller · Sump Pumps
Zoeller 508 Aquanot + M53
Primary + battery backup · keeps running in an outage
Storms knock out power and dump water at the same time — exactly when a plug-in pump quits. The battery backup keeps pumping, with a high-water alarm. Essential for a finished basement.
Battery
backup
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Why homeowners choose the Zoeller 508 Aquanot + M53
Storms knock out power and dump water at the same time — exactly when a plug-in pump quits. This setup pairs the Zoeller M53 primary with the 508 Aquanot battery backup, which keeps pumping on a deep-cycle battery and sounds a high-water alarm. Cheap insurance for a finished basement.
- Zoeller M53 primary plus a 508 Aquanot battery backup
- Keeps pumping for around 6 hours during a power outage
- High-water alarm warns you before water rises
A good fit if…
- Finished basements that cannot afford to flood
- Homes in storm- and outage-prone areas
- Anyone who wants protection that survives a power failure
Key specifications
- Setup
- Primary + backup
- Outage
- Keeps running
- Runtime
- ~6 hrs
- Alerts
- High-water alarm
Get a Quote on the Zoeller 508 Aquanot + M53
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Why Choose Relica Comforts?
- Licensed & insured technicians
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- 24/7 emergency service
- Free estimates on all installations
- 5.0 stars on Google
Frequently Asked Questions
The worst flooding happens during storms — which are also when the power goes out and a plug-in pump stops. A battery backup keeps pumping through the outage, which is exactly when you need it most.
Around 6 hours of continuous pumping on a charged deep-cycle battery, and longer in real-world use since it only runs when water rises. It also sounds a high-water alarm so you know if levels climb.

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