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Septic Pumps

Heavy-Duty Septic Pumps, Sewage Ejectors, Effluent Pumps, & Grinder Pumps
Let’s be honest: you usually don’t think about your septic pump until something goes wrong. And when it does—whether it’s a basement backup or a high-water alarm going off—you need a replacement fast, and you need one that lasts. At Tank Depot, we understand that you can’t afford to install cheap equipment that will fail in a few months. That’s why we stock the industry’s most trusted submersible septic pumps and systems....

We carry the heavy hitters, including Zoeller, Grundfos, and Polylok. From legendary cast-iron septic pumps like the Zoeller M267 for handling raw sewage to precision-engineered stainless steel effluent pumps for moving gray water, our inventory is built for longevity. Whether you are replacing a sewage ejector pump for a basement bathroom, upgrading to a septic grinder pump for a pressurized line, or simply need a reliable sump pump like the M53 "Mighty-mate" to keep your system dry, we have the right specs to get your system flowing again.

Applications of Septic Pumps

Selecting a replacement sewer pump isn't just about matching horsepower; it’s about knowing where the water is coming from and where it needs to go. Installing a clean-water sump pump in a sewage application is the most common cause of system failure. Here is how to identify exactly which sewage pump type your septic system requires:

Sewage Ejector Pumps (Basement Bathrooms & Raw Waste)
Sewage Ejector Pumps (Basement Bathrooms & Raw Waste)

If you have a basement bathroom or your home sits lower than the septic tank or sewer line, you are fighting gravity. Your application needs a submersible sewage pump (often called an ejector pump).

Pro Tip: Unlike standard pumps, these are engineered with vortex impellers capable of passing 2-inch spherical solids, including toilet paper and raw waste without clogging. They provide the torque needed to lift raw sewage up to the main line.

Effluent Pumps (Pumping to the Drain Field)
Effluent Pumps (Pumping to the Drain Field)

If your septic tank is located downhill from your drain field (leach field), you need to move "gray water/effluent" after the solids have settled in the tank. Septic effluent pumps are designed for this specific task. While they can handle smaller solids (typically up to 3/4-inch), their primary job is to generate the lift and pressure needed to push filtered wastewater to a mound system, sand filter, or distant drain field.

Pro Tip For systems pumping up steep elevations or over very long distances, look for our High Head Effluent Pumps to ensure adequate flow rates at the discharge point.

Grinder Pumps (Pressurized Systems & Tough Solids)
Grinder Pumps (Pressurized Systems & Tough Solids)

When you are pumping into a pressurized city sewer main (force main) or through small-diameter pipes over a long distance, a standard solids-handling pump isn't enough.

Pro Tip:A septic grinder pump acts like a garbage disposal for your sewage. It uses stainless steel cutting blades to shred waste into a fine slurry, allowing it to be pumped under high pressure without blocking the line.

Why Buy Your Replacement Pump from Tank Depot?

You can find pumps at local hardware stores, but there is a significant difference between a "retail-grade" unit and the commercial-grade septic pumps we stock. Homeowners and contractors trust Tank Depot because we treat your septic system as a critical utility, not a weekend DIY project.

Skip the
Skip the "Retail Grade" Plastic

Many big-box pumps use thermoplastic housings that can warp or crack under heat and pressure. We prioritize cast iron and stainless steel construction—like the Zoeller and Grundfos lines—which offer superior heat dissipation. This keeps the oil-filled motor cool during extended cycles, preventing premature burnout and thermal overload.

Technical Precision (Voltage & Head)
Technical Precision (Voltage & Head)

Buying the wrong pump is an expensive mistake. A 115-volt pump will burn out instantly if connected to a 230-volt line. Similarly, if your pump doesn't have enough Total Dynamic Head (TDH) to lift waste from the basement to the street, it simply won't work. Our listings clearly display the Voltage, Phase, Horsepower, and GPM flow rates so you can match the specs to your existing control panel or basin setup perfectly.

The
The "Total System" Experts

We don't just sell pumps; we are leaders in onsite wastewater management. Because we supply the septic tanks, risers , leach field components , and lids, we understand exactly how the pump integrates with the rest of your system. While we don't offer onsite installation or pumping services, we provide the professional-grade infrastructure that local septic contractors rely on to get the job done right.

Stocked for Emergencies
Stocked for Emergencies

When a sewage pump fails, it is an emergency. We maintain deep inventory levels on our core residential sewage pumps and grinder systems to ensure we can ship your replacement immediately, minimizing downtime and preventing backups.

Essential Protection
Essential Protection

The pump is the heart of your system, but the accessories are the insurance policy. We strongly recommend installing a septic tank alarm to alert you of high water levels before a backup occurs. Additionally, every pump installation requires a reliable check valve to prevent backflow. ○ Pro Tip: For the easiest future maintenance, consider a Tri-Check Valve. This combines a check valve, ball valve, and union, allowing you to service the pump without cutting pipes or dealing with messy backflow.

Secure Your On-Site Wastewater Treatment System Today

Don't wait for a flooded basement or a soggy drain field to upgrade your equipment. Whether you need a simple replacement float switch, an effluent or high-head effluent pump for a mound system, or a rugged sewage ejector that can handle 2-inch solids, or a grinder pump to break down those solids, Tank Depot has the professional solutions you need. Browse our selection of top-rated septic pumps below to find the perfect match for your home.
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Capacity Name Diameter Length Width Height SKU Price
Buy HP-100/120 Slide Switch Assembly (New Style) by HIBLOW USA, INC. for only $12.78 Buy HP-100/120 Slide Switch Assembly (New Style) by HIBLOW USA, INC. for only $12.78 HIBLOW USA, INC. HP-100/120 Slide Switch Assembly (New Style) 4 4 2 HI-PHPSW0120P $12.78
Buy 1/8" brass male connector by HIBLOW USA, INC. for only $2.74 Buy 1/8" brass male connector by HIBLOW USA, INC. for only $2.74 HIBLOW USA, INC. 1/8" brass male connector 4 4 2 HI-211-2-DYNAMCO $2.74
Buy SEG.A15.30.EX.2.60M 3 Phase Submersible SEG pump with Grinder System by Grundfos for only $4,666.69 Buy SEG.A15.30.EX.2.60M 3 Phase Submersible SEG pump with Grinder System by Grundfos for only $4,666.69 Grundfos SEG.A15.30.EX.2.60M 3 Phase Submersible SEG pump with Grinder System 11.60 10.10 20.50 GPC-98280854 $4,666.69
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