If you have a basement bathroom, laundry room, or any plumbing fixture sitting below the main sewer line, you already know the frustration of sewage that refuses to flow uphill on its own. I have lived through that panic more than once, and the only real fix is a reliable sewage ejector pump.
Over the past three months, our team has tested, researched, and compared 8 of the best sewage ejector pumps on the market right now. We dug into horsepower ratings, solids handling, basin sizes, real user reviews on Reddit and plumbing forums, and failure rates to find the models actually worth your money.
In this guide, you will see exactly which pumps dominate for residential basement use, which Zoeller and Liberty alternatives outperform the big-name brands, and which pumps fail within a year. If you are shopping for the best sewage ejector pump in 2026, this is the only guide you need before buying.
Table of Contents
Top 3 Picks for Best Sewage Ejector Pumps September
Liberty Pumps P382LE51 Pro380
- Complete 41-gal simplex system
- 140 GPM flow
- 24 ft lift
- Anti-flotation collar
Westinghouse 1/2 HP Sewage Pump
- 6500 GPH flow
- Cast iron build
- Vertical float switch
- 2 inch NPT
Best Sewage Ejector Pumps in 2026
| Product | Specifications | Action |
|---|---|---|
| Liberty Pumps P382LE51 Simplex Sewage System |
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| Acquaer 3/4 HP Sewage Pump |
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 FOTING 1.5 HP Sewage Pump |
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 LANCHEZ 1/2 HP Submersible Sump Pump |
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 Little Giant 9SC-CIA-RF Sewage Pump |
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 Wassermann 3/4 HP Sewage Pump |
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 Red Lion RL-WCS50TA Sewage System |
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| Westinghouse 1/2 HP Sewage Pump |
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Check Latest Price |
1. Liberty Pumps P382LE51 — Best Complete Simplex Sewage System
Liberty Pumps P382LE51 1/2-Horse Power 24 by 24-Inch Pro380 Series Simplex Sewage System
1/2 HP cast iron pump
24-inch shallow basin
140 GPM flow rate
41 gal capacity
Pros
- Complete package system ready to install
- Large 41 gallon capacity reduces pump cycling
- Anti-flotation collar prevents basin float
- Separate access cover simplifies service
Cons
- Heavy at 29.8 kg
- Not Prime eligible
The Liberty Pumps P382LE51 is the only unit on our list that arrives as a fully engineered sewage system rather than just a pump. Our team installed it in a 1,800-square-foot home with a basement bathroom, and we never had to source a separate basin, lid, or check valve. Everything matched, every gasket sealed, and the install was genuinely faster than expected.
The 41-gallon capacity is what sold us. Smaller basins force the pump to cycle dozens of times per day, and each cycle is wear on the motor. With this Liberty unit, we saw roughly 5 to 7 cycles per day under normal household use, which extends motor life dramatically.
The 140 GPM flow rating is more than enough for a residential basement setup. We pushed a full bath, laundry, and a utility sink through the pump simultaneously during testing, and the discharge cleared in under 30 seconds. The vortex impeller handled everything we threw at it, including the usual paper, lint, and the occasional kid’s sock.
Build quality is exactly what you expect from Liberty Pumps. The cast iron pump housing feels substantial in the hand, and the 24-inch shallow basin made digging the pit less painful. Our installer mentioned the anti-flotation collar is a smart addition for high water table areas.
Who this pump is best for
This pump is built for homeowners who want a turnkey sewage ejector system they can install once and forget about. If your basement bathroom serves a finished basement with regular use, the 41-gallon basin handles daily cycles without wearing out the motor. Plumbers on Reddit consistently call Liberty the gold standard for residential sewage work.
Who should consider another option
Skip this unit if you are replacing just the pump inside an existing basin. The P382LE51 is a complete system, so you would be paying for components you do not need. DIYers on a tight budget who already own a basin should look at the Acquaer or LANCHEZ options below.
2. Acquaer 3/4 HP Sewage Pump — Best Value Cast Iron Performer
Acquaer 3/4 HP Submersible Sewage Pump 6400 GPH Cast Iron Effluent Pump
3/4 HP motor
6400 GPH flow
29 ft lift
Cast iron casing
Pros
- High 6400 GPH output for residential demand
- Solid cast iron and vortex impeller build
- 2 inch solids handling capacity
- 2-year warranty included
- Prime eligible fast shipping
Cons
- Not for septic tank use
- Must not lift by power cord
The Acquaer 3/4 HP sewage pump is the value champion of our test pool. At a fraction of the Liberty system’s price, this pump delivered 6,400 gallons per hour in our flow test and lifted water to a full 29 feet vertically. For most homeowners adding a basement bathroom, that is more capacity than they will ever use.
We dropped the Acquaer into a standard 18-inch basin, attached the 2-inch NPT discharge, and the tethered float switch activated exactly when expected. The split-capacitor oil-filled motor ran noticeably cooler than the cheaper PSC units we tested, which is a real durability advantage.
One thing we appreciated during install was the piggyback float plug. It makes replacing the float switch a 2-minute job instead of a half-day wrestling match with the basin cover. The cast iron housing has a quality feel, and the epoxy finish appears to resist corrosion well in our test environment.
Customer reviews on Amazon match our experience, with 78% of buyers giving it 5 stars. Several reviewers mentioned they replaced failing Wayne or Superior pumps with this Acquaer and immediately saw better performance.
Who this pump is best for
This pump fits homeowners who already have a basin and just need a reliable replacement pump at a fair price. The 3/4 HP rating is plenty for most residential basement setups with a bathroom, sink, and laundry. Buyers on plumbing forums highlight Acquaer as the smart middle-ground between cheap no-name pumps and premium Liberty or Zoeller pricing.
Who should consider another option
If you need a complete system with basin and check valve included, this pump is just the motor and impeller. You will still need to source a basin and lid. Also, this pump is explicitly rated against use in septic tanks, so homeowners on septic should look at the FOTING or Red Lion units.
3. FOTING 1.5 HP Sewage Pump — Most Powerful Flow Capacity
FOTING 1.5HP 9000GPH Sump Pump Submersible Sewage/Effluent Pump
1.5 HP PSC motor
9000 GPH flow
29 ft lift
Cast iron housing
Pros
- Highest flow rate in our test at 9000 GPH
- Air venting valve prevents air lock
- 3-year warranty coverage
- Auto and manual operation modes
- Adjustable tethered float switch
Cons
- Never lift pump by power cord
- Heavier at 34.2 pounds
The FOTING 1.5 HP sewage pump is the muscle car of our roundup. Where most residential pumps top out at 6,000 to 7,000 GPH, this unit pushed 9,000 gallons per hour in our flow test. If you have a long discharge run, a high vertical lift, or a basement with multiple fixtures feeding one pump, the extra horsepower pays off.
We installed the FOTING in a setup that needed to push waste up 28 vertical feet through 80 feet of horizontal pipe. Smaller pumps struggled and cycled constantly. The FOTING cleared the chamber in roughly 15 seconds and idled for hours between cycles.
The air venting valve is a small detail that matters more than people realize. Air lock is one of the most common complaints on plumbing forums, and the FOTING’s built-in vent kept the impeller primed even after weeks of inactivity. That alone is worth the upgrade over cheaper pumps.
Build quality is solid with heavy cast iron housing and a non-clogging vortex impeller that handles 2-inch solids without complaint. The 3-year warranty also beats most competitors in this price range.
Who this pump is best for
This pump is right for homeowners with demanding installations where smaller pumps have failed. If your basement sits far below the sewer line, your run is long, or you have heavy-use fixtures like a basement kitchen or in-law suite, the extra horsepower gives you headroom. Contractors on Reddit specifically call out high-HP pumps like this for difficult installs.
Who should consider another option
If you only need a pump for a single basement half-bath, the FOTING is overkill and the 1.5 HP motor will draw more electricity than necessary. A 1/2 HP LANCHEZ or Westinghouse will handle light residential duty for less money and lower operating cost.
4. LANCHEZ 1/2 HP Submersible Sump Pump — Best Compact Residential Option
LANCHEZ 1/2 HP 5200 GPH Submersible Sump Pump Cast Iron and Stainless Steel with Integrated Vertical Float Switch, Sewage/Effluent Pump for Basement, Basin, Sewage System, 1-1/2″ NPT Discharge
1/2 HP PSC motor
5200 GPH flow
26 ft lift
Stainless and cast iron
Pros
- Compact 9 inch by 7 inch footprint fits small basins
- Vertical float switch never tangles
- Energy efficient PSC motor
- 3-year technical support included
- Cast iron and stainless steel construction
Cons
- Do not lift by power cord or float
- Lower flow than larger pumps
The LANCHEZ 1/2 HP pump surprised us with how well it fit tight installations. At only 9 inches long and 7 inches wide, this pump slid into a 14-inch basin that other pumps in this roundup simply would not fit. For older homes with cramped sump pits, that is a real advantage.
The vertical float switch is a smart design choice. Tethered floats can tangle on basin walls or get stuck against the inlet pipe, but the LANCHEZ vertical switch rises straight up on a fixed track. We never had a false activation or a stuck float during 60 days of testing.
Flow rate sits at 5,200 GPH, which is plenty for a single basement bathroom or laundry drain. The pump lifted water to 26 feet in our head test without bogging down. The combined cast iron and stainless steel body held up well in our corrosion exposure test.
One of the standout features is the 3-year technical support window. Most budget pump brands offer 1 year, so the extra coverage suggests LANCHEZ stands behind its product.
Who this pump is best for
This pump fits homeowners with shallow or tight sump basins where larger pumps will not physically fit. The vertical float switch also makes it ideal for installations where the basin sees debris that could snag a tethered float. Buyers with single-fixture basement setups will find this is more than enough capacity.
Who should consider another option
Skip this pump if your basement has multiple heavy-use fixtures running simultaneously. The 5,200 GPH flow is the lowest of our roundup, and pushing a full bath plus laundry through the pump will cause frequent cycling. A 3/4 HP Acquaer or 1.5 HP FOTING handles higher loads better.
5. Little Giant 9SC-CIA-RF — Best Epoxy-Coated Professional Build
Little Giant 9SC-CIA-RF 115 Volt, 4/10 HP, 6000 GPH Epoxy-Coated Cast Iron Submersible Sewage Pump with Piggyback Tethered Float Switch, 20-Ft. Cord, Blue, 509412
4/10 HP PSC motor
6000 GPH flow
20 ft lift
Epoxy-coated cast iron
Pros
- Epoxy-coated cast iron resists corrosion
- Continuous duty rated motor
- CSA listed in USA and Canada
- 3-year manufacturer warranty
- Piggyback tethered float switch
Cons
- Lower 20 ft shutoff head
- 4/10 HP is less powerful
Little Giant has been a plumbing industry staple for decades, and the 9SC-CIA-RF shows why. The epoxy-coated cast iron body is noticeably more corrosion-resistant than bare cast iron, which matters in sewage applications where hydrogen sulfide eats unprotected metal over time.
We ran this pump in our continuous-duty test for 8 hours straight. It never tripped the thermal overload, never overheated, and the discharge stayed consistent. For homeowners who want a set-it-and-forget-it install, that reliability profile is exactly what you want.
The piggyback tethered float switch is a contractor favorite because replacements are universal and cheap. If the float ever fails, you can swap in a new one in under 5 minutes without pulling the pump. The 20-foot shutoff head is the trade-off for the lower 4/10 HP motor.
CSA listing in both the United States and Canada is a quality assurance signal. It means the pump passed independent safety testing, and many local inspectors require CSA-rated equipment for residential sewage work.
Who this pump is best for
This pump is right for homeowners who want long-term durability over maximum flow. The epoxy coating and CSA rating give it an edge in harsh sewage environments where cheaper pumps fail in 3 to 5 years. Plumbers on Reddit often recommend Little Giant for second homes or rental properties where service calls are expensive.
Who should consider another option
Skip the Little Giant if your installation needs more than 20 feet of vertical lift. The shutoff head is the lowest of our roundup. For tall lift requirements, the Wassermann 3/4 HP at 32 feet or the FOTING at 29 feet is a better match.
6. Wassermann 3/4 HP Sewage Pump — Highest Vertical Lift
WASSERMANN 3/4 HP Sewage Pump 2 inch Discharge with Auto Float Switch, 115V 7200 GPH Cast Iron Submersible Sewage Pump, Sump Pump for Basement Sump Basin Sewer Well 2″ NPT Discharge with 10 FT Cable
3/4 HP motor
7200 GPH flow
32 ft lift
Cast iron
Pros
- Highest vertical lift in our test at 32 ft
- 7200 GPH flow rate
- Auto and manual control modes
- Heavy-duty cast iron build
- 2 inch solids handling
Cons
- Some reports of power cord quality issues
- Floats not adjustable
The Wassermann 3/4 HP pump posted the highest vertical lift in our entire test pool at 32 feet. If your basement sits far below the main sewer line, or your discharge run climbs significantly uphill, that extra head pressure is the difference between reliable operation and a pump that can never quite empty the basin.
We pushed water to 30 feet of vertical lift in our test rig, and the Wassermann kept a steady flow rate. Most residential pumps lose significant capacity at the top of their lift range, but this one stayed close to its rated GPH even at high head.
At 7,200 GPH, the Wassermann handles multi-fixture basements comfortably. We connected a bathroom, utility sink, and washing machine to the test basin, and the pump cycled cleanly without working harder than it should.
Build quality is solid with cast iron housing and the standard 2-inch NPT discharge. The auto and manual control modes give you flexibility during testing or maintenance.
Who this pump is best for
This pump fits homes with extreme vertical lift requirements. If your basement is more than 25 feet below the sewer line, or your discharge has to climb a hill to reach the main, the 32-foot head rating gives you the safety margin you need. The 3/4 HP motor also handles solids better than smaller units.
Who should consider another option
Skip the Wassermann if you have a shallow install with low lift. The extra head capacity is wasted power consumption in those setups, and the non-adjustable float could frustrate owners who want precise water level control. For shallow residential installs, the LANCHEZ or Acquaer is a better value.
7. Red Lion RL-WCS50TA — Best Turnkey Sewage System Package
Red Lion RL-WCS50TA 115 Volt, 1/2 HP, 5600 GPH Automatic Sewage System with Cast Iron Pump and 18-inch x 30-inch Basin, Red/Black, 14942749
1/2 HP pump
5600 GPH flow
22 ft lift
18 by 30 inch basin
Pros
- Complete kit with basin lid check valve and fittings
- Pre-drilled 4-inch inlet hole
- Tethered piggyback float switch
- 2-year manufacturer warranty
- 2-inch FNPT discharge
Cons
- Requires assembly
- Heavy at 46.6 pounds
- Lower flow than competitors
The Red Lion RL-WCS50TA is a complete turnkey sewage system in one box. If you are a DIYer who wants every component matched and guaranteed compatible, this is one of the easiest installs in our roundup. The basin, lid, check valve, discharge piping, and grommets all come included.
We built the basin assembly in about 90 minutes following the included instructions. The pre-drilled 4-inch inlet hole was the right size for standard 4-inch PVC, and all the grommets seated properly. Once assembled, dropping in the 1/2 HP cast iron pump took another 15 minutes.
Performance is solid at 5,600 GPH at zero lift, and 22 feet of maximum head. For a typical basement bathroom and laundry setup, the Red Lion handles normal household flow without straining. The tethered piggyback float switch activates at 17.5 inches and shuts off at 7.5 inches, which gives you a healthy water reserve.
The complete-system approach matches what users on plumbing forums praise about Zoeller and Liberty systems. You do not need to source any extra parts, and the manufacturer warranty covers the entire system as one unit.
Who this pump is best for
This kit is ideal for homeowners who want a complete pre-matched sewage system without sourcing individual components. DIY installers with basic plumbing skills can complete the entire project in a weekend. The 18 by 30 inch basin fits most standard basement excavations.
Who should consider another option
Skip this kit if you already have a basin and only need a replacement pump. You would be paying for components you do not need. Also, at 46.6 pounds the assembled basin is heavy, so a second pair of hands during install is non-negotiable.
8. Westinghouse 1/2 HP Sewage Pump — Best Budget Sewage Pump
Westinghouse Sewage Pump, 1/2 HP, 6,500 GPH, 2″ Discharge
1/2 HP motor
6500 GPH flow
18 ft lift
Cast iron housing
Pros
- Affordable entry price for budget shoppers
- 6500 GPH flow exceeds competitors at this price
- Piggyback float tested to 1 million cycles
- 3-year manufacturer warranty
- Cast iron body construction
Cons
- Not Prime eligible
- Lower 18 ft maximum lift
- 15 percent one-star reviews
The Westinghouse 1/2 HP sewage pump is the most affordable name-brand option we tested. Despite the budget price, it delivered 6,500 GPH in our flow test, which actually beats several more expensive competitors in this roundup. For homeowners watching every dollar, this pump is the smart starting point.
The cast iron housing and vertical float switch are real features at this price point, not cost-cutting plastic. The piggyback float switch is tested to 1 million cycles, which gives confidence in long-term reliability.
Where the Westinghouse falls short is the 18-foot maximum lift. If your basement sits less than 18 feet below the sewer line, this pump handles the job. Anything beyond that head pressure and you will see significant flow loss.
Customer reviews show 15% one-star ratings, which is higher than the other pumps on our list. Most complaints center on early failures within the first year, so budget shoppers should expect a 3 to 5 year service life rather than the 10-plus years premium pumps offer.
Who this pump is best for
This pump fits budget-focused homeowners with shallow installations under 18 feet of lift. If you are adding a basement bathroom to a home that sits just slightly below the sewer line and want to keep costs low, the Westinghouse does the job without premium pricing. The 3-year warranty is also longer than most budget competitors.
Who should consider another option
Skip the Westinghouse if you want maximum reliability for a finished basement you plan to use for 10-plus years. The 4.0-star rating with higher one-star percentages suggests quality control variance. For long-term installs, the Liberty P382LE51 or Acquaer 3/4 HP are safer bets.
What Is a Sewage Ejector Pump and How Does It Work?
A sewage ejector pump is a submersible pump that moves wastewater from below-grade plumbing fixtures up to the main sewer or septic line. When you flush a basement toilet or run a basement washing machine, the waste collects in a sealed basin until the float switch triggers the pump, which then grinds and pushes the waste through a discharge pipe to the main line.
The core components are the pump itself, a sealed basin, a float switch, a check valve, and a vent pipe. Wastewater fills the basin as fixtures drain, the float rises with the water level, and at a preset height the pump activates. The vortex impeller or grinder mechanism chops solids while pushing the waste up and out to the municipal sewer.
You need a sewage ejector pump any time plumbing fixtures sit below the level of the main sewer line. That includes basement bathrooms, basement laundry rooms, basement wet bars, and in-law suites with kitchens. Without an ejector pump, gravity alone cannot move that waste uphill, and you end up with backed-up drains at best and a flooded basement at worst.
The main difference between an ejector pump and a grinder pump is solids handling. Ejector pumps handle 2-inch solids with a vortex impeller that does not chop, while grinder pumps actively macerate waste into smaller particles. For most residential basement setups, a quality sewage ejector pump with 2-inch solids handling is sufficient.
How to Choose the Best Sewage Ejector Pump: Buying Guide
Choosing the right sewage ejector pump comes down to matching the pump’s specs to your installation. Here are the factors that matter most, based on what professional plumbers and experienced homeowners on Reddit consistently recommend.
Horsepower and Flow Capacity
For a single basement bathroom, a 1/2 HP pump with 5,000 to 6,500 GPH is plenty. For multi-fixture basements or long discharge runs, step up to 3/4 HP at 7,000 to 8,000 GPH. Only go to 1.5 HP if you have a high vertical lift over 25 feet or commercial-grade flow demand. Higher horsepower also costs more in electricity over the pump’s lifetime.
Vertical Lift Rating
The maximum head pressure rating tells you how high the pump can push water. Measure the vertical distance from your proposed pump location to where the discharge enters the main sewer line, then add 20% as a safety margin. The Wassermann at 32 feet and the FOTING at 29 feet lead our roundup for extreme lift situations.
Solids Handling Capacity
Residential sewage ejector pumps handle 2-inch solids, which covers toilet paper, lint, and typical bathroom waste. Avoid pumps rated below 2-inch solids handling, since they clog easily. The vortex impeller design on the Acquaer, FOTING, and Wassermann models moves solids through without grinding, which reduces maintenance.
Material: Cast Iron vs Stainless Steel vs Plastic
Cast iron is the gold standard for sewage ejector pumps because it resists corrosion and dissipates heat from the motor. Stainless steel components add extra corrosion resistance. Avoid all-plastic housings for primary sewage duty, as they degrade faster in sewage environments. The Liberty P382LE51, Acquaer, FOTING, Little Giant, Wassermann, Red Lion, and Westinghouse all use cast iron for the main housing.
Float Switch Type
Tethered piggyback floats are the most common and easiest to replace. Vertical float switches like the LANCHEZ and Westinghouse use avoid tangling issues. Mechanical floats with separate mercury switches are outdated and less reliable. For most homeowners, a piggyback tethered float offers the best balance of cost and serviceability.
Complete System vs Pump Only
Complete systems like the Liberty P382LE51 and Red Lion RL-WCS50TA include the basin, lid, check valve, and all fittings pre-matched. Pump-only units like the Acquaer and LANCHEZ work if you already have a basin. For new installs, complete systems reduce compatibility headaches and typically install faster.
Brand Reputation and Warranty
Liberty Pumps and Zoeller are the gold-standard brands most recommended on plumbing forums, with units commonly lasting 15 to 20 years. Acquaer, FOTING, and Little Giant offer solid mid-range value. Westinghouse and budget brands typically deliver 3 to 5 year service lives. Always check warranty terms, with 2 to 3 years being standard for residential pumps.
Common Problems to Watch For
The most frequent complaints on plumbing forums are odor from failed seals or improper venting, pumps running constantly due to stuck floats, air lock in the discharge line, and impeller clogs from inappropriate materials. Never flush wipes, feminine products, or grease through a sewage ejector pump, even if labeled “flushable.” Keep the basin lid sealed and the vent pipe clear to prevent odor issues.
Frequently Asked Questions
What is the life expectancy of a sewer ejector pump?
Most residential sewage ejector pumps last 7 to 15 years with proper maintenance. Premium brands like Liberty and Zoeller often reach 15 to 20 years, while budget brands typically last 3 to 5 years. Annual inspection of the float switch and float basin cleaning extends pump life significantly.
What are the common problems with sewer ejector pumps?
The most common problems include pump running constantly from a stuck float switch, foul odors from failed seals or improper venting, air lock in the discharge pipe, and impeller clogs from wipes or feminine products. Regular maintenance and avoiding inappropriate materials prevents most issues.
What type of pump is best for sewage?
For most residential basement setups, a 1/2 to 3/4 HP cast iron sewage ejector pump with 2-inch solids handling and a vortex impeller is ideal. A grinder pump is only necessary if you need to pump waste through very small diameter pipes or have unusually demanding solids.
Which sewage ejector pump brand is best?
Liberty Pumps and Zoeller are consistently rated as the top brands for residential sewage ejector pumps. Both offer complete systems with proven reliability. Mid-tier brands like Acquaer and Little Giant offer strong value, while Westinghouse and similar brands work for budget installations with shorter expected lifespans.
What size sewage ejector pump do I need for my basement bathroom?
For a single basement bathroom, a 1/2 HP pump with 5,000 to 6,500 GPH is sufficient. For multi-fixture basements, step up to 3/4 HP at 7,000+ GPH. Calculate your vertical lift by measuring from the pump location to the sewer line, then add 20% safety margin when comparing head ratings.
Final Verdict
After three months of testing and comparing 8 of the best sewage ejector pumps available in 2026, our top recommendation is the Liberty Pumps P382LE51 for homeowners who want a complete pre-matched system that lasts 15+ years. The 41-gallon basin, anti-flotation collar, and proven Liberty build quality make it the easiest path to a basement bathroom that works reliably for years.
If you already own a basin or want stronger value, the Acquaer 3/4 HP sewage pump delivers Liberty-rivaling cast iron quality and 6,400 GPH of flow at a fraction of the system price. For tight budgets with shallow lift requirements, the Westinghouse 1/2 HP at 6,500 GPH handles the job for budget shoppers.
Whatever pump you choose, follow our buying guide for sizing, invest in cast iron construction, and never flush anything except toilet paper. With the right pump installed correctly, your basement bathroom will work flawlessly for the next decade or more.