Zoeller Aquanot 508 Review | Almost Top Backup

Submersible pumps are always great for getting rid of unwanted water from your basement. But what if you have a battery along with our sump pump. Thus you’ll have a fully functioning pump while the power is out. In our Zoeller aquanot 508 review today we’ll discuss 2 battery backup pumps produced by Zoeller. They both come from the same series though there are slight differences between them as well. 

Both the pumps discussed here are quite capable on their own, you’ll have evenly matched specifications which shows their capability and potential. We’ve tried to maintain a rational view throughout the review.

Amazon’s Choice
Zoeller 508-0005 Aquanot 508 Battery Back-Up System
Editor’s choice
Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Battery Back-Up
Zoeller 508-0005 Aquanot 508 Battery Back-Up System
Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Battery Back-Up


Top 2 Zoeller Aquanot 508 Review In Details

1. Zoeller 508-0005 Sump Pump Review

At first, we’ll discuss the specifications and salient features of the Zoeller 508-0005 in our Zoeller aquanot 508 review. 


  • Manufacturer: Zoeller
  • Part Number:508-0005
  • Item Weight:16.3 pounds
  • Product Dimensions:8.5 x 8.5 x 10.5 inches
  • Item model number:508-0005
  • Batteries:1 12V batteries required.
  • Is Discontinued by Manufacturer: No
  • Size:10.50 x 8.50 x 8.50 inches
  • Material: Aluminum
  • Power source: Corded Electric
  • Voltage:12 volts
  • Item Package Quantity:1
  • Flow Rate:40 Gallons Per Minute
  • Special Features: Aquanot battery: Size 31 wet P/N 10-0761. Size 27 AGM P/N 10-1450 (sold separately)
  • Batteries Included? No
  • Batteries Required? Yes
  • Battery Cell Type: Alkaline
  • Warranty:12 months warranty from the date of installing the pump and an 18 months warranty from the date of manufacturing the pump. You can easily extend the warranty by buying a battery from Aquanot. Only complete system users will have a 3-year long warranty. A complete system means a battery and a primary pump.

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In the case of measuring the performance of pumps Zoeller always tries to measure according to actual GPH but not according to the Marine Industry measures. If you use marine GPH measures you’ll certainly notice inflammation of 40 to 80 higher than the normal battery performance we see regularly. You’ll have a 2340 GPH from the Zoeller 508-0005 with 5 feet and if the feet rise to 10 then the pump will have a GPH of about 1800. Also, it will have a shut-off head once reaching 22 feet. 

Size of pit

With a diameter of 18 inches, the 508-005 has a 24-inch-deep pit in it.

Testing and Building

All the signs of a true sump pump are available in this pump. Other than having a full battery backup some people tend to call their bilge pumps battery backup pumps, which is not correct. They say so because their pump is tested from Marine Industry Standards. Zoeller 508-0005 is completely quality-checked and 100% tested.

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If you compare this pump to some of the backup pumps, you’ll find that this pump is twice the weight compared to the other ones. It weighs about 20 pounds.


  • 100% tested before shipping
  • Aluminum seal pockets
  • Safety features
  • Additional cooling plate
  • Affordable pricing


  • Installing can be difficult

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Check Valve System

Right at the discharge port of the pump, there is an integrated check-in of this backup pump system. If the check valve is ever attached to the discharge pipe, you can easily disconnect the pump.


Placing the pump at the bottom of the pit is not an issue as the 508-0005 has legs with it. You can also set the pump up in line with the primary pump along with the discharge piping system. Also, you don’t need to worry about setting it up on rough or slippery surfaces.

Control Box

To protect the battery from overcharging and burning it out the control box functions as a safety feature. The battery recharger in this pump is powerful it’s 10 AMP. Having a solid-state design the battery recharger also comes with warnings in the displays and various indicators build-in it.

Battery Case

We’ve already found out that the dimensions of the battery box are bigger than the battery and the battery can easily fit in them. You can also fit all the 27,29 and 31 group batteries into the box. If you are looking to extend the battery life by adding more batteries then the case might be helpful to you as you can attach extra cases with hookup wires.

LCD Screen

All the information about DC pump cycles and power outrage along with the current battery voltage is found in the LCD screen of the pump. Thus, you’ll always be notified about the things you need to know. 

LED Indicators

  • AC Power – If the power goes out it will blink red
  • Charged – Green indication, if the battery is fully charged
  • Charging – Yellow is the indication of flowing power to the battery
  • Low Battery – When the battery reaches below 10.8 volt then red-light blinks and it starts to blink quickly once the voltage goes lower than 8.4 volt 
  • High Water – Yellow light will start blinking once the water level reaches higher than normal
  • Alarm Off – If the buzzer is staying silent then the yellow light will go off. 

best sump pump with battery backupBattery

You’ll require a deep cycle marine battery to use in the Zoeller 508-0005 sump pump. Also if you want you can use wet cell or AGM batteries as well. You should prefer having a 105A per hour battery as it will perfectly suit this pump and which will continuously provide service for 6 hours long with continuous discharge of 8 foot high. 

Depending on the frequency of running the pump, the run time may vary from user to user. Always try to find batteries with top terminals as they are easier to install. 

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The alarm system of this pump will go off if the water level reaches beyond normal level, or in case there is any reverse polarity, or if the battery level of the pump goes down. It’s a common feature in both the products shown in this Zoeller aquanot 508 review.


A button for scrolling the screen of the pump to see information and select options is available. Another dedicated alarm button functions as the setter of alarms and fixing them. You just need to hold it for three seconds to have a 24-hour silence. 

Auxiliary Alarm 

You can easily connect the pump to your home alarm system. Mainly the set of dry contacts help in connecting them along with automatic dialers. You’ll also have cloud storage to receive and save alarms.

Vertical Switch

A low voltage and reliable vertical float switch are used in this pump. Having a low voltage makes the battery drainage small. It does not require additional pit diameter as it is attached to pit discharge.

Perfect Fittings

DC discharge check valve of this pump is an integrated one, other than that you also get an additional AC check valve. The package also includes an adapter. 

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Latest Technology

The latest switch-mode technology function is in action in the charger of this pump. So, the charger is equally efficient and compact if you consider the price. California battery council standards are followed here while making this charger and battery.

Performance Curves of the Pump

You’ll get a performance curve of the Aquanot 508 having a 152944 rating.

Design Tools Of the Package

Additional design tools available with this pump are

  • SK2961dimensional drawing
  • SK2962 dimensional drawing

2. Zoeller 508-0006 Sump Pump Review

In this portion of our Zoeller aquanot 508 review, we’ll try to discuss the ins and outs of the Zoeller 508-0006 along with its technical information and unique features.


  • Manufacturer: Zoeller
  • Part Number:508-0006
  • Item Weight:17 pounds
  • Product Dimensions:8.5 x 8.5 x 10.5 inches
  • Item model number:508-0006
  • Batteries:1 12V batteries required.
  • Is Discontinued By Manufacturer: No
  • Color: Green
  • Power Source: Corded Electric
  • Horsepower:0.3333
  • Item Package Quantity:1
  • Flow Rate:43 Gallons Per Minute
  • Battery compatibility: Aquanot battery of group 27, 28 and 31 
  • Batteries Included? No
  • Batteries Required? Yes
  • Battery Cell Type: Alkaline
  • Warranty Description:3-year limited warranty

Zoeller 508-0006 Sump Pump Review

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Manufacturers have used a 12V primary submersible pump into the Zoeller 508-0006 along with a battery backup of 12V. You’ll never have to worry about the pump not working or water damaging your premises as the battery will take care of the power source of your pump.

To get rid of the unwanted water the pump will turn itself on and start working immediately. If you are busy and not aware of the water level then the pump will help you out hugely. In situations when you are at work or away from your home a battery backup pump is the best solution for you. 


  • Automatic technology in the pump
  • A great 10-amp charger
  • Construction is solid
  • Installation is easy


  • The user manual is vague sometimes

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LCD Screen

Another great part of this pump is the LCD screen. You can easily differentiate this pump from the other ones. Advanced technology has been introduced in this pump. 

Other than being a glamour of modern technology this pump is by far the most noticeable thing you’ll see if you set eyes on it. Other than necessary information and safety alarms you’ll also have warnings regarding your work and others. 

Amazing Flow Rate

In a single minute, you can easily remove 43 gallons of water with your Zoeller 508-0006. Where water hazards are a daily occurrence this pump can help you out greatly. Be less worried using this tremendously efficient pump. 

battery backup sump pumpSafety 

After buying a fully battery backup sump pump, you’ll never worry about the condition of your primary pump as it takes care of that too. If any sudden disaster happens and you can’t be close to your pump then the battery backup will take care of the hazard easily. Also, in times of need when there is no electricity and in case of a power outage the battery backup will protect your pump. The sudden change of voltage is also covered by the battery while protecting your primary pump. 

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With the help of the LCD screen coming with the pump, you can easily keep track of things with zero hassle. Where the battery is low in voltage or it’s facing any critical malfunction then you’ll be quickly notified through the LCD screen. 

No rigidity in terms of using a battery backup. You can easily attach additional batteries to the case if your work is of a huge amount. Battery groups of 27, 29, and 31 are easily attachable to the battery case. Thus, you’ll have a user-friendly experience using this pump.

Battery Case

27, 28, and 31 battery groups are easily attachable with this pump along with all types of batteries you like. But we recommend using a deep cycle battery. If you want to power up the whole battery backup system then you can easily attach more cases along with the battery case with the help of hooks. Also, the case can easily stand off regular wear and tear as it’s made from polyethylene.


An adapter, AC pump check valve, and a DC discharge check valve come with this pump.

Advanced Charger Technology

While making the charger they have used the latest technology. An extremely efficient charger with compactness. They also followed the California Battery Council standards while making the battery charger along with approval from cURus. This technology is common in both batteries in this Zoeller aquanot 508 review.

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Vertical Switch 

A reliable, low voltage, and vertical float switch are attached with this pump. The functioning of the switch is easy and it does not decay in performance over time as other cheap materials tend to.

Control Box for Safety

Protection for battery running out and others are found in the control box of the pump. A solid recharging system of the 10-amp battery is also there along with various kinds of warnings with different lights for each.


We are at the endpoint in our Zoeller aquanot 508 review, where the time for deciding the best suitable pump for you has come. Depending on the size of your basement the pump can vary from user to user. But if you buy one of the above pumps we’ll assure you that you’ll never be disappointed. Hope our review helps you in deciding what’s best for you.

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