Best Sump Pump for Septic Tank Review & Buying Guide

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Last Updated on October 18, 2021 by Bonnie C. Welling

Homes that don’t fall under the central sewage systems mainly depend on the septic tanks for waste management. At some point, your septic tank will fill up with wastages, and to move that wastewater out, a sump pump can come in handy.

With different options available in the market, choosing what will be right for your waste management system can get challenging. To help you out, we have compiled a list of 5 of the best sump pump for a septic tank with their detailed review. Additionally, the buying guide will give you an idea about the features you should look for in a good sump pump.

Best sump pump for septic tank

A quick summary of our top picks

Before getting into the in-depth review, let’s have a quick look at the products with their key characteristics.

Schaefer E-Series Effluent Septic Pump – Best Sump Pump Overall

With all the right qualities packed in one package, this is the best sump pump option overall, from build quality to performance.

Franklin Electric Effluent Septic Pump – Best Sump Pump for Non-Residential Use

If you have a bigger than usual septic tank or need a sump pump for your non-residential septic system, this sump pump can be an ideal choice for you.

HIBLOW HP-80 Septic Linear Air Pump – Most Durable Sump Pump

The build quality is the highlight of this product. If you want a septic tank pump that will last the longest, this air pump is your safest bet.

Blue Diamond ET 80 Septic Air Pump – Most Energy Efficient Sump Pump

You can go for this air pump if energy efficiency is your key focus. This pump runs on a considerably low amount of power, yet it can easily handle up to 500 gallon’s septic tank.

Hallmark Industries MA0343X-4 Submersible Pump – Best Value for Money Sump Pump

Despite being the cheapest option on our list, this pump features a full stainless still build, a flow rate of 25 GPM, and a built-in control box. What more could you ask for with a low price tag like this?

Q: What are the advantages of a submersible pump for septic tank?

A: A submersible pump brings a ton of benefits to the table. Starting from design to installation, it has its advantages in every sector. First of all, primarily stainless steel build of these pumps ensures and corrosion-free long time use. Quality welding, watertight gaskets also add up to the solid form of it. Then, features like energy efficiency and lower noise production can also be considered a beneficial side of a submersible pump.

Q: What’s the difference between a sump pump and a sewage pump?

A: Some key differences separate these two. Though these pumps work within the sewage system, a sump pump only deals with liquids and mostly clean wastes. On the other hand, a sewage pump deals with raw wastes from your washroom, including a specific size of solid wastes. Then, a sump pump can be powered by a battery or backup electricity as its power efficiency. You can’t do that with sewage pumps.

Q: What’s the best sump pump brand for the septic tank?

A: From hundreds of brands manufacturing sump pumps, only a handful of them produces the best quality. Hallmark Industries, Franklin Electrics, Little Giant, Red Lion, and Blue Diamonds are some of the most popular and well-known brands out there. They offer different sump pump models in various categories and price points. If you are not an expert, buying a product of these brands should be a safe bet.

Schaefer E-Series Effluent Septic Pump – Best Sump Pump Overall

Specification

  • Material: Stainless Steel, Plastic
  • Flow Rate: 20 GPM
  • Engine: ½ hp
  • Voltage: ‎115 Volts
Schaefer E-Series Effluent Septic Pump

The first product on our list is from Schaefer. The brand’s name might sound unfamiliar to many, but this submersible pm has earned its rightful place on the list with some excellent features.

Manufactured by Franklin electric, this versatile submersible tank can be used for anything from the septic tank to wells. The brand name may sound familiar, but the manufacture, Franklin electric, is famous for supplying the motors for different brands’ submersible pumps.

The body of this submersible pump is pretty well built, with steel and plastic on top. Like most submersible pumps, this one also has a stainless steel body structure and a thermoplastic discharge. Thanks to the corrosion resistance, you can keep this submersible pump underwater for a long time. So, in terms of longevity, the construction has got your back.

As we mentioned before, this one features a Franklin motor so that the performance will be top-notch. The ½ hp motor has a flow rate of 20 GPM, which is quite impressive considering the price point. In addition, there is an upthrust washer made from carbon phenolic, which prevents excessive wear from severe applications.

The wire that comes with the motor has a stripped lead at one end. So, the installation can be a bit complicated. Apart from the installation, the performance is pretty much what you should expect from a good submersible pump.

Overall, this submersible pump is a balanced package for the price. Nothing too premium, but it’ll do the job it’s supposed to and serve you for a long time.

Pros
  • Versatile use
  • Carbon phenolic upthrust washer
  • Removable built-in check valve
  • Excellent corrosion-resistant build
Cons
  • It might need expert wiring

Franklin Electric Effluent Septic Pump – Best Sump Pump for Non-Residential Use

Specification

  • Material: Stainless Steel, Plastic
  • Flow Rate: 20 GPM
  • Engine: ½ hp
  • Voltage: ‎115 Volts
Franklin Electric Effluent Septic Pump

Another similar product like the previous one. But this time, not only the motor but the whole submersible pump is from Franklin electric. Both feature and look-wise, this is one of the best submersible pumps for septic tanks.

First of all, this effluent submersible pump is highly versatile, thanks to its compatibility with lots of different applications. Then, the build quality is superb due to its stainless steel and plastic body. Moreover, the steel is corrosion-resistant, which means this submersible pump can withstand a long period of submersion without any water damage.

The pump features a heavy-duty 115V motor. Despite having only a ½ hp engine, this submersible pump has an impressive flow rate of 20 GPM. With this pump installed in your septic tank, you won’t have to worry about clogging or water backups anymore.

To prevent any water back-flow, there is a removable check valve equipped with the pump itself. In addition to all these great features, this submersible pump also comes with a thermoplastic discharge and motor brackets.

The wiring is included in the package, and it’s pretty easy to install without any particular expertise. However, if you want to use it as a septic effluent pump, you need to add an external float switch to turn the pump on and off.

The wire can get corroded over time, which can be a minor drawback for some. But you can easily replace that with a high-quality wire later.

Pros
  • Long lifespan
  • Corrosion-resistant build for submerged use
  • Good value for money
  • Good flowrate for the power
Cons
  • The wire can get corroded

HIBLOW HP-80 Septic Linear Air Pump – Most Durable Sump Pump

Specification

  • Material: Aluminum
  • Flow Rate: 21 GPM
  • Engine: 71 watts
  • Voltage: ‎120 Volts
HIBLOW HP-80 Septic Linear Air Pump – Most Durable Sump Pump

Unlike the first two options on our list, this one is a little different. Originally manufactured an s a pond aerator, this pump can be an excellent choice for your septic tank too. You’ll get some fantastic set of features with this air pump for the price you are paying.

Let’s talk about the build quality first. The outer casing of this air pump is made of high-quality aluminum. Because of that, this air pump from HIBLOW is primarily known for its long lifespan. With hundreds of positive ratings to back up its durability, you won’t have a chance to complain about the build of this air pump.

Up next, the performance of this air pump is equally good as the build quality. Apart from the reliability that HIBLOW provides, the numbers alone are enough to impress you. The pump can create a pressure of 3.6 psi resulting in airflow of 4.2 cfm.

With a 71 watts engine, this machine can deliver a flow rate of 21 GPM. In addition, there is a rubber gasket with the motor, which will tone down the vibration. 

Another thing that we like about this air pump is its reparability. With fewer moving parts, this air pump is pretty easier to open up and repair than a submersible pump.

All in all, this air pump can be a great addition to your sewage system with a considerable amount of power. If you want something well known for its long lifespan, this HIBLOW air pump is the option you should go for. 

Pros
  • Hassle-free plug-in power input
  • One year warranty
  • Convenient repairability
  • Corrosion-proof aluminum build
Cons
  • Pretty loud operation

Blue Diamond ET 80 Septic Air Pump – Most Energy Efficient Sump Pump

Specification

  • Material: Aluminum
  • Flow Rate: 20 GPM
  • Engine: 75 watts
  • Voltage: ‎120 Volts
Blue Diamond ET 80 Septic or Pond Linear Diaphragm Air Pump

Another pond aerator can perform very well as a septic tank pump alternative. This air pump is full of good features that make this air puma a decent choice for your septic tank. Build and performance-wise, this air pump is pretty similar to the HIBLOW one we discussed earlier.

After you get your hands on this pump, the very first thing you’ll notice is its durability. Like most other air pumps, it’s made of aluminum, so Blue Diamond made no compromise in the construction segment.

Additionally, the weatherproof casing will ensure that the water from the septic tank stays off the motor. Spare parts are also available with easy-to-use rebuild kits if you decide to rebuild any part of this air pump.

Generally, air pumps flow rates are measured in the amount of air, and this pump has an airflow rate of 20 gallons per minute. As long as your septic tank is below 500 gallons, this pump can easily handle the workload. This is one of the most popular septic tank pump alternatives and the number one choice for NSF-certified sewage system manufacturers.

The motor has a power consumption of 75 watts, making it one of the most energy-efficient air ump in the market. You’ll also get one year of the manufacturer’s warranty with this pump. So that’s another indicator of good quality.

If you are looking for an alternative to submersible pumps for your septic tank, this air pump should be an ideal choice for you. The price won’t break the bank either.

Pros
  • Weatherproof casing
  • Rebuild its available
  • Energy efficient
  • One year manufacturer warranty
Cons
  • The standard plug can be an issue for hardwiring users

Hallmark Industries MA0343X-4 Submersible Pump – Best Value for Money Sump Pump

Specification

  • Material: Stainless Steel
  • Flow Rate: 25 GPM
  • Engine: ½ hp
  • Voltage: ‎110 Volts
Hallmark Industries MA0343X-4 Deep Well Submersible Pump

If you are looking for the absolute best submersible pump brand on the market, then Hallmark can be a good choice for you. Hallmark is famous for offering good-quality submersible pumps at different prices. At the end of our list, we bring you Hallmark’s MA0343X-4 model.

First off, the build quality of this submersible pump is mind-blowing, just what you should expect from a brand like Hallmark. Unlike the first two entries on our list, this pump’s construction is made of stainless steel only. The exclusion of visible plastic from the construction makes this build more solid. Additionally, the pump is corrosion resistant too.

With a 150 feet max head, this pump would work great to pump into your deep septic tank. This particular model is compatible with a 100V to 130V power connection, but it’s recommended that you use a 110V output for optimal performance.

At first, only a half horsepower of the motor might fool you about the capabilities. However, it delivers a flow rate of 25 GPM with that power, making it a perfect choice for septic tank use. In addition, the motor inside the pump has a hermetic seal that prevents water, dirt, or any other debris from getting inside.

The installation is pretty straightforward. Still, the pump comes with a user manual and tape kit to make the process more convenient. The pump is also equipped with an inbuilt control box and ten feet of wiring. So you won’t have to spend extra money to buy these externally.

In short, you’ll be getting the same power as the previous two submersible pumps at almost half the price here. So if you are looking for the best value for your money, recommending this submersible pump is an easy call.

Pros
  • It comes with an in-built control box and wiring
  • Solid stainless steel corrosion-resistant build
  • Features in-built thermal protection
  • Good bang for the buck
Cons
  • Requires additional check valve

Buying Guide

buying-guide

As we mentioned before, the market is filled with different types of sump pump at different prices. Furthermore, the criteria become different when looking for a sump pump specifically to use in the septic tank.

Choosing a sump pump for a septic tank can get tricky without knowing what features you should look for. So, in this buying guide, we broke down the same criteria we used to compile this list for you.

If you decide to look for more options even out of our list, this buying guide will come in handy. Let’s have a quick look at things you should consider before buying a sump pump for a septic tank.

Motor Power

Motor power should be on top of your priority list as it’s used as a general indicator of the pump’s capability. Usually, the power is measured in horsepower or HP. Most of the sump pump in the market have a half hp motor.

If you are using it for a septic tank, this amount of power should generate enough flow rate to get the job done easily. Sump pumps are usually considered power-efficient options, so there is no need to worry too much about the horsepower. If you think the flow rate is good enough at a certain height, that pump is probably good enough in terms of motor power.

Voltage Compatibility

Voltage is another crucial thing you should check out. Mostly, this information can be found in the product manual or description. To run a certain sump pump, you need to have a power line that matches the pump’s voltage. Depending on the motor power I mentioned above, a pump might need different volts to run correctly. Typically, the half-horsepower submersible and air pumps can run on 110 to 120 volts delivering optimal performance. If you opt for a sump pump with a high-power motor, make sure your household connection can back that up.

Build Quality

As the sump pump for the septic tank will be submerged in water, you should choose one with a solid build quality. Usually, these sump pumps depending on the type, plastic is used for certain parts while the main body is made of aluminum and stainless steel.

As the sump pump is a long-term investment, you need to be cautious about the build quality so that it can serve you for years. Additionally, the sump pump you are purchasing must have corrosion resistance; otherwise, it won’t last a year.

Instead of depending on the specifications, you can check out user feedback for more accurate info about the material quality.

Installation

If you are someone with no expertise in pump installation and wiring, this feature is essential. Generally, wiring a sump pump is relatively easy with essential knowledge and the help of the manual. But sometimes, the wire that comes with the pump has a stripped lead, which might take a little more expertise than usual.

Also, most of the sump pump has cables included in the package, make sure your unit has that. Additionally, some submersible types come with inbuilt control boxes like the Hallmark pump we discussed. That can be a great addition to any submersible pump. So be sure to check that out too.

Affordability

After you have made your mind about every feature, the purchasing decision comes down to the price of the articular sump pump. The price depends on the power and flow rate of the sump pump for the most part. Unusually, sending a couple of dollars should give you a decent sump pump for a septic tank.

If you are on a tighter budget, again, there is nothing to worry about. Quite a few good quality sump pump comes in that price point that has decent performance. Just keep your expectation real, and you’ll be satisfied with the budget-oriented sump pump options too.

However, we would advise you not to cheap out as a sump pump for a septic tank is a long-term investment, and you expect it to last for years to come. 

Flow Rate

Flow rate carries more significance than any other feature, whether it’s a sewage pump, sump pump, or any other pump. Flow rate indicates the amount of water going through the pump in a certain amount of time.

Usually, for sump pumps, it’s better to go for a model with a high flow rate, But that also takes a toll on the pump’s energy efficiency. However, as we are talking about sump pumps for septic tanks, a flow rate of 20-25 GPM (Gallons per Minute) should suffice.

In the end, the flow rate comes down to personal preference and how fast you want to pump the water. You should choose a sump pump with a higher flow rate if you want faster pumping for our septic tank. Depending on the waste load, generally, bigger constructions need higher flow rate pumps.

Conclusion

Here we are at the end of the review. Long story short, you can keep your septic tank from filling up over time by installing these pumps. All the products we reviewed here are good options with positive feedbacks from the users.

All you have to do is fix your budget and pick the best one according to your septic tank system. Now that we pointed out how to identify a good sump pump, the decision should be pretty easy for you. In the end, we hope our review and buying guide has been helpful to you to make an informed decision about the best sump pump for a septic tank.

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