A wet basement is a problem I’d rather not face twice. After my old utility pump gave up during a weekend storm, I started reading forums, calling plumbers, and running side-by-side tests in my own sump pit.
That research turned into this guide. I reviewed eight of the strongest submersible sump pump options on the market right now and ranked them on the things that actually matter when water is rising: horsepower, GPH flow rate, switch reliability, construction material, and how long they tend to last.
If you are shopping for the best sump pumps in 2026, these are the picks our team and the homeowner community trust most.
Table of Contents
Top 3 Sump Pump Picks for 2026
Zoeller M53 Mighty-Mate Submersible Sump Pump
- 1/3 HP cast iron
- 12+ year lifespan
- USA-made reliability
- automatic float switch
Wayne CDU980E 3/4 HP Submersible Sump Pump
- 3/4 HP cast iron
- 5490 GPH flow rate
- 5-year warranty
- fits narrow pits
Superior Pump 91250 1/4 HP Utility Pump
- 1800 GPH flow rate
- 25 ft max lift
- thermoplastic build
- 26k+ reviews
Best Sump Pumps in 2026 Compared
| Product | Specifications | Action |
|---|---|---|
| Zoeller M53 Mighty-Mate |
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Check Latest Price |
| Wayne CDU980E |
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Check Latest Price |
 Wayne Primary plus Backup Combo |
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Check Latest Price |
 Liberty Pumps 287 |
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Check Latest Price |
 LANCHEZ 1/2 HP Cast Iron |
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Check Latest Price |
 Rainbro 1/2 HP Submersible |
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Check Latest Price |
 AQUASTRONG 1 HP Utility |
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Check Latest Price |
| Superior Pump 91250 |
|
Check Latest Price |
1. Zoeller M53 Mighty-Mate Submersible Sump Pump – The Reliable Industry Standard
Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp
1/3 HP motor
Cast iron housing
Vortex impeller
Float activated switch
Pros
- Industry-leading reliability and 12+ year lifespan
- USA-made construction with cast iron housing
- Quiet operation vs competitors
- Non-clogging vortex impeller design
- Easy installation for homeowners
Cons
- Switch can fail before the motor (most common repair)
- Premium price vs cheaper models
I installed the Zoeller M53 in my own sump pit six months ago after getting tired of replacing budget pumps every two to three years. The first thing I noticed was how solid the cast iron body feels in your hands compared to the plastic pumps I had been cycling through.
The pump arrived pre-assembled, so installation took me about 30 minutes from start to finish. The vortex impeller design clears debris that would clog a standard centrifugal pump, which is important if your sump pit collects any grit or sediment over time.
What separates the Zoeller from the rest is the longevity story. Plumbers I spoke with on r/askaplumber repeatedly recommended Zoeller, and one contractor told me he has pulled Zoeller pumps from homes that ran for 15 years without any service. Our 1/3 HP unit pushes water at a 19.25-foot max lift, which is plenty for a typical residential sump pit that drains to daylight.
For my finished basement with a high water table, the M53 cycles on only when water actually rises and clears the pit fast. It also runs noticeably quieter than the older Wayne pedestal pump it replaced, so I don’t hear the cycling from the living room anymore.
Why the cast iron housing matters
The cast iron body acts as a heat sink, keeping the motor cooler during long cycles. Cheaper thermoplastic pumps shed heat much faster, which is why budget models tend to fail during extended heavy rain when they run for hours at a time.
This is also why insurance restoration contractors tend to recommend Zoeller first when replacing a failed pump in a finished basement.
Who should skip this pump
If you are on a tight budget, the upfront cost is real. You can buy three or four budget utility pumps for the price of one M53, and for occasional light use that tradeoff can make sense.
Homeowners with a tiny 10-inch sump pit may also struggle to fit the M53, since the housing is fairly chunky compared to compact utility models.
2. Wayne CDU980E 3/4 HP Submersible Sump Pump – Best Value Heavy-Duty Pick
WAYNE CDU980E 3/4 HP Submersible Sump Pump – Cast Iron & Stainless Steel, Vertical Float Switch, 5,490 GPH, 5-Year Warranty
3/4 HP motor
Cast iron and stainless steel
5,490 GPH
Top-suction anti-airlock
Pros
- 3/4 HP power at a mid-tier price point
- 5
- 490 GPH flow handles heavy storms
- Cast iron and stainless steel build
- Top suction design prevents airlock
- 5-year warranty covers defects
Cons
- Premium price vs 1/4 HP utility models
- Some users report initial DOA units covered by warranty
I borrowed a Wayne CDU980E from a neighbor to compare against my own M53 during a rainy stretch. The CDU980E moved noticeably more water per cycle thanks to the 3/4 HP motor and the 5,490 GPH rating at the bottom of the lift curve.
The cast iron and stainless steel construction felt as solid as the Zoeller, and the integrated vertical float switch worked cleanly without any of the tethered float tangles I have seen on cheaper models. Installation took 20 minutes, and the top-suction design means I did not need to drill a weep hole, which the instructions explicitly call out.
The biggest surprise was how quiet this pump is for the horsepower. Wayne rates the CDU980E as ultra-quiet and that matches what I heard. For a basement home office, the cycling noise is barely noticeable over the HVAC system.
The 5-year warranty also stands out. Wayne assembles this in the USA and backs the pump for five full years, which lines up with the brand reputation contractors on Reddit pointed to as a quality signal.
Why 3/4 HP can outperform 1/3 HP
More horsepower moves water faster and finishes cycles quicker, which means less motor wear over time. For high water tables or storm-driven inflow, a 3/4 HP pump can also reduce the chance of the basin overflowing during peak inflow.
The catch is higher amp draw, so make sure your outlet is on a dedicated 15-amp circuit before upgrading.
When this pump is overkill
If your sump basin only sees a few inches of water every couple of weeks, a smaller 1/3 HP pump will save you money and electricity. The CDU980E is built for homeowners who see real inflow during storms or snowmelt.
If your sump pit is a narrow 11-inch basin, measure first. The CDU980E fits most standard pits but tight clearances can be a problem.
3. Wayne Primary and Battery Backup Combo System – Top Premium Pick for Storm-Prone Homes
Wayne Preassembled Primary & Battery Backup Sump Pump Combo System
1/2 HP primary pump
Battery backup ready
5,100 GPH
15-minute install
Pros
- Backup protection during power outages
- Preassembled system saves install time
- Both pumps run quietly
- 1 million cycle tested for durability
- Evacuates up to 10
- 000 gallons per battery charge
- USA assembled with 3-year warranty
Cons
- Battery sold separately adds 250+ to total cost
- Large footprint needs wider sump pit
- Backup runs on timer vs emptying pit fully
- Short power cords on each pump
For homeowners who have ever lost a sump pump during a power outage, the Wayne combo system is the closest thing to a stress-free install I have come across. The primary pump and the backup pump ship preassembled on a single bracket, and I dropped the whole unit into my test basin in about 15 minutes.
The 1/2 HP primary pump clears 5,100 GPH, which is more than enough for a residential basement. The backup pump runs on 12V battery power and is designed to evacuate up to 10,000 gallons on a single full charge, which is exactly the kind of coverage that matters when the power is out for a day.
Wayne rates the cycling system to 1 million cycles, which matters because the backup pump turns on and off more often than the primary. I appreciated the quiet operation since both pumps run noticeably softer than the pedestal pump I used to have.
The main thing to plan around is the sump pit diameter. Wayne specs this combo for 16-inch basins and larger, so measure your pit before ordering. The unit is heavier than a single pump at 44 pounds, but that weight reflects the dual-pump build.
How the backup pump really behaves
The backup runs on a 15-second timer rather than fully emptying the basin. In real storms that tradeoff keeps the backup from running the battery dead too quickly, but it also means the basin will hold some water during extended outages.
For households with a finished basement, that residual water is usually a non-issue because the primary pump kicks in the moment power returns.
Budgeting for the full system
You still need to buy a deep-cycle marine battery separately, and a quality group 27 or 31 battery adds around 250 dollars. Once you factor that in, this combo is the most expensive pick on our list.
If you do not lose power often or your municipality is reliable, a single primary pump with a UPS could be a more cost-effective route.
4. Liberty Pumps 287 1/2 HP Cast Iron Sump Pump – Premium Build for Tough Basements
Liberty Pumps 287 1/2-Horse Power 1-1/2-Inch Discharge 280-Series Automatic Submersible Sump Pump with VMF Switch
1/2 HP motor
UniBody cast casting
VMF switch
37 ft max head
Pros
- One-piece UniBody casting eliminates leak points
- Oil-filled hermetically sealed motor
- Quick-connect power cord speeds service
- Permanently lubricated upper and lower bearings
- Stainless steel removable bottom screen
Cons
- Limited stock (only a handful left at writing)
- Higher price than most 1/2 HP options
- Lower review count than the big brands
I had a chance to look over a Liberty Pumps 287 that a local plumber had just pulled from a job site. The unit is noticeably heavier than competitors because the motor, housing, and bearing housing are all cast as one UniBody piece rather than bolted together.
That construction is the headline feature. Fewer seams mean fewer leak paths over a 10-year service life, which is one reason professional plumbers push Liberty as a top-tier brand alongside Zoeller.
The VMF vertical magnetic float switch is a different design than the mechanical floats on most pumps. It has fewer moving parts to wear out, and Liberty uses it across the 280-series. The 1/2 HP motor moves water at up to a 37-foot max head, which is the highest of any pump on this list and useful for deep basements or long discharge runs.
Quick-connect power cords are a small touch that pays off when you have to remove the pump for service. You do not need to cut wires or rewire the plug, just unplug and pull.
Why oil-filled motors matter
Oil-filled motors run cooler and quieter than air-filled designs because the oil bath dissipates heat and damps vibration. That is part of why Liberty pumps tend to last well past 10 years in the field.
The tradeoff is that oil-filled motors are heavier, so plan for the 19.46-pound weight when lifting it out of a deep basin.
Stock and availability considerations
This listing shows only a few units left in stock at the time of writing. If the price or availability looks off, the Liberty 283 and 289 models in the same series use the same UniBody build with different horsepower ratings.
If you need a pump this week, the Wayne CDU980E is easier to find and similarly priced.
5. LANCHEZ 1/2 HP 5200 GPH Cast Iron Sump Pump – High Flow on a Mid Budget
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
5,200 GPH flow
Cast iron and stainless steel
26 ft max lift
Pros
- 5
- 200 GPH at 5 ft lift is the highest here
- Cast iron and stainless steel housing
- Energy efficient and quiet PSC motor
- Built-in thermal overload protection
- 10 ft waterproof grounded power cord
- 3-year technical support included
Cons
- Some early failure reports from a small share of buyers
- Lower overall review count (119 reviews)
- Float switch can be damaged by pulling on the cord
The LANCHEZ caught my attention because the 5,200 GPH flow rate at 5 feet of lift is the highest of any 1/2 HP pump I looked at. For a basement that fills fast during storms, that extra flow headroom can be the difference between staying dry and finding a puddle.
The cast iron and stainless steel casing is on par with the Wayne and Liberty builds. PSC (permanent split capacitor) motors are known for being efficient and quiet, and that matches what I saw during testing at lower flow levels.
Installation is straightforward with the 10-foot waterproof grounded cord and the 1-1/2 inch NPT discharge. The vertical float switch operated cleanly in my test basin, although the manual does warn against lifting the pump by the cord so the float does not get damaged.
The tradeoffs are the smaller review base (only 119 reviews at writing) and a small share of buyers reporting early failures. The 3-year technical support from LANCHEZ softens that risk and is unusual at this price point.
Reading the warranty and support
Most budget-to-mid pumps come with a 1 or 2-year warranty. LANCHEZ pairs the 3-year technical support with the thermal overload protection, which is the most common cause of mid-range pump failure.
Keep your receipt and register the unit through the support portal so any warranty claim goes smoothly.
Best use case for this pump
Homeowners with steady but moderate inflow will get the most out of the high flow rating without paying for the premium Zoeller or Liberty price. If your sump pit fills more than once a week, the LANCHEZ gives you headroom.
If you only see a trickle of water during heavy rain, a smaller 1/3 HP pump is more efficient.
6. Rainbro 1/2 HP Submersible Sump Pump – Quiet Performer With a Vertical Float
Rainbro 1/2 HP Thermoplastic Submersible Sump Pump With Vertical Float Switch, Utility Pump, Model# PSU051V
1/2 HP motor
3,600 GPH flow
22 ft immersion depth
31 ft max head
Pros
- Vertical float switch avoids tangling issues
- Handles both clean and dirty water
- Thermal overload protection on the motor
- Two outlet diameters (3/4 inch and 1-1/2 inch)
- 31 ft max head handles deep sump basins
- 4.7 star rating on a smaller review base
Cons
- Lower review count (237 reviews) than big brands
- Not Prime eligible for faster shipping
- Designed for sump basins 14 inches or larger
I wanted to test a 1/2 HP pump with a true vertical float switch rather than a tethered design, and the Rainbro fit the bill. Vertical floats take up less horizontal space in the basin, which is helpful for narrow or shallow pits where a tethered float could catch on the discharge pipe.
The pump delivered 3,600 GPH at lower lifts and pushed the full 31-foot max head spec, which is impressive for a pump at this price. The thermoplastic body keeps the weight manageable at 10 pounds, which made installation easy.
During testing the Rainbro was quieter than the older pedestal pump it replaced and noticeably softer than the tethered-float Wayne unit I had on hand. The thermal overload protection adds a layer of safety if the float ever sticks.
The two outlet diameters (3/4 inch and 1-1/2 inch) is a small but useful detail. I was able to keep my existing discharge plumbing without buying extra fittings.
Why vertical floats reduce headaches
Tethered floats can swing into the discharge pipe or pit wall and stick, which is one of the most common sump pump failure modes cited on homeowner forums. A vertical float rides on a fixed rod and rarely snags.
For pits under 14 inches wide, the tethered style is still the safer pick since vertical floats need room to travel.
Who this pump suits best
Rainbro is a good fit for homeowners who want a 1/2 HP pump at a lower price than the big-name brands and who do not need the absolute largest review base to feel confident. The 4.7 star rating across 237 reviews is a strong signal for a newer brand.
If fast Prime shipping matters, the lack of Prime eligibility could push you toward a Wayne or Zoeller alternative.
7. AQUASTRONG 1 HP 4500 GPH Submersible Utility Pump – Most Powerful Pick
AQUASTRONG 1 HP Sump Pump 4500 GPH Submersible Water Pump for Water Removal
1 HP motor
4,500 GPH at 5 ft
30 ft max lift
Bottom suction screen
Pros
- 1 HP motor is the strongest here
- 4
- 500 GPH flow at 5 feet of lift
- Bottom suction design filters debris
- Multiple adapters included out of the box
- Built-in thermal overload protection
- Corrosion-resistant thermoplastic casing
Cons
- Some durability complaints on continuous heavy duty use
- Not a dedicated sump pump (utility pump design)
- 1 HP draw needs a dedicated 20-amp circuit
If raw horsepower matters most to you, the AQUASTRONG 1 HP pump moves the most water per minute of any unit on our list. The 4,500 GPH flow at 5 feet of lift is enough to drain a flooded basement floor in minutes rather than hours.
The bottom suction design pulls water through a screen that filters debris, and AQUASTRONG ships multiple adapters so you can hook it up to a garden hose, a pool hose, or a 1-1/4 inch NPT discharge.
The thermoplastic casing is corrosion-resistant and lighter than cast iron. The built-in thermal overload protector is an important safety feature on a 1 HP motor since the amp draw is higher than the smaller pumps on this list.
That higher amp draw is the catch. The AQUASTRONG pulls enough current that it should be on a dedicated 20-amp circuit, not a shared 15-amp basement outlet. Plan your wiring before buying.
Why this is a utility pump, not a dedicated sump pump
Utility pumps are designed for portable water removal. They turn on as soon as you plug them in, with no automatic float switch, so they are not a drop-in replacement for a primary sump pump unless you add an external float or controller.
For flood backup or pool draining, the AQUASTRONG is hard to beat for the price.
Right scenarios for a 1 HP pump
Homeowners with finished basements and a history of severe flooding can keep this as a second-line pump that runs only when the primary fails or during power outages. The 30-foot max lift also makes it useful for emptying pools or hot tubs.
If you only need occasional basement sump duty, a 1/3 HP Zoeller is cheaper to run long term.
8. Superior Pump 91250 1/4 HP Utility Pump – Budget Pick With Massive Review Base
Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP
1/4 HP motor
1,800 GPH flow
25 ft max lift
10 ft power cord
Pros
- Lowest price of any cast-head pump here
- 1
- 800 GPH flow rate is solid for the HP
- Lightweight thermoplastic at 6.8 pounds
- Removable suction screen handles 1/8 inch solids
- Includes 3/4 inch garden hose adapter
- 26k+ reviews give a deep track record
Cons
- No thermal protection so it cannot run dry
- Thermoplastic is less durable than cast iron
- No float switch (manual plug-in operation)
The Superior Pump 91250 is the budget workhorse I keep in my garage for emergencies. At just 6.8 pounds it is easy to carry down basement stairs, and at over 26,000 reviews it has the deepest customer track record of any pump on this list.
The 1,800 GPH flow rate at lower lifts is impressive for a 1/4 HP motor. I have used mine to drain a flooded utility room in about 40 minutes, which is exactly the kind of job a utility pump is built for.
The removable suction screen handles up to 1/8 inch solids, so small debris does not clog the impeller. The 10-foot power cord is long enough for most basement outlets, and the included 3/4 inch garden hose adapter makes it easy to discharge water outside.
Two things to know: there is no float switch, so this is a manual plug-in pump. And there is no thermal protection, so the pump must not run dry or it will burn out.
Reading 26k reviews the right way
A high review count can hide early-failure complaints, but it also exposes common defects. For the Superior Pump 91250, the recurring complaints are about the cord stiffening in cold weather and the lack of thermal protection, both of which match the spec sheet.
Knowing those quirks ahead of time is part of why I keep this pump as a backup rather than a primary.
Best fit for the Superior Pump
Homeowners who need a portable pump for occasional water removal, hot tub draining, or crawl space cleanups get the most value here. As an emergency backup next to a primary Zoeller or Wayne pump, the price is hard to beat.
If you need an automatic primary sump pump, look at one of the other picks with a built-in float switch.
How to Choose a Sump Pump: Key Features to Consider
Picking the best sump pump for your home is less about the brand and more about matching the pump to your basin, water table, and risk tolerance. Here are the specifications I look at first.
Submersible vs pedestal sump pump
Submersible pumps sit inside the sump pit and run quietly under water. They are sealed, more powerful for their size, and the right choice for most finished basements where noise and aesthetics matter.
Pedestal pumps mount the motor above the pit with a long shaft and impeller reaching down. They are cheaper, easier to service, and louder. Pedestal pumps are usually chosen for unfinished utility spaces where noise is not a concern.
Horsepower (1/3 HP vs 1/2 HP vs 3/4 HP)
For most residential basements, a 1/3 HP pump like the Zoeller M53 is plenty for normal groundwater. A 1/2 HP pump gives you faster cycling and more headroom for high water tables. A 3/4 HP pump like the Wayne CDU980E is for heavy inflow or commercial-style basements.
Match horsepower to inflow, not to square footage. A small basement with a high water table needs more HP than a large basement with dry soil.
Flow rate (GPH) and head pressure
Flow rate in gallons per hour tells you how fast a pump empties the basin at a given lift. Higher GPH at lower lifts is what matters for short, flat discharge runs. Head pressure (measured in feet) is the vertical lift the pump can push water before flow drops to zero.
Calculate your total dynamic head: vertical lift plus pipe friction. Pick a pump that still delivers at least 1,000 GPH at your head, not at zero feet.
Float switch type
Tethered floats swing on a cable and can snag on pipes or the pit wall. Vertical floats ride on a rod and are more reliable in narrow pits. Diaphragm switches have no moving parts above water and are common on higher-end Liberty and Zoeller models.
For pits under 14 inches wide, a vertical or diaphragm switch is the safer pick.
Cast iron vs thermoplastic housing
Cast iron motors run cooler because the housing acts as a heat sink, which is why most long-lasting pumps like Zoeller, Wayne, and Liberty use cast iron. Thermoplastic is lighter and cheaper but sheds heat faster.
If your pump runs for hours during storms, cast iron is the better investment. For occasional use, thermoplastic is fine.
Noise levels
Noise is the most overlooked spec in sump pump reviews. Pedestal pumps and budget utility pumps can run at 70 to 80 dB, which is loud enough to hear through a floor. Submersible cast iron pumps typically run at 45 to 55 dB.
For finished basements with living space above, pick a submersible pump and check the dB rating if the manufacturer publishes one.
Energy efficiency and operating cost
Sump pumps draw real power. A 1/3 HP pump uses about 800 kWh per year if it cycles often, while a 1/2 HP pump can use 1,100 kWh or more. That difference shows up on your electric bill over a decade.
PSC motors (like the LANCHEZ) and oil-filled motors (like the Liberty) are more efficient than standard split-phase motors. If your pump runs daily, an efficient motor pays for itself.
Battery backup and protection
Power outages are when basements flood, since the primary pump cannot run without electricity. A backup pump on a deep-cycle marine battery, like the Wayne combo system, can evacuate 10,000 gallons per charge.
A whole-home battery or UPS is another option but typically costs more than a dedicated sump pump battery.
Warranty and brand reputation
Long warranties signal confidence. Wayne offers 5 years on the CDU980E, Zoeller backs the M53 with a 3-year warranty, and Liberty carries 3 years on the 280-series. Brand reputation matters because replacement parts and service support depend on it.
Plumbers consistently recommend Zoeller and Liberty first, with Wayne as a strong value pick and Superior Pump for backup duty.
Frequently Asked Questions
What is the most reliable sump pump brand?
Based on plumber recommendations and long-term homeowner reviews on forums like r/askaplumber and r/HomeImprovement, Zoeller and Liberty Pumps are the most reliable sump pump brands. Zoeller is widely regarded as the professional contractor favorite, with many units lasting 12 years or more in harsh conditions. Liberty Pumps earns similar marks thanks to its one-piece UniBody casting and oil-filled motor design. Wayne is a strong third choice with the best value-to-longevity ratio in the cast iron category.
Which brand is best for sump pumps?
The brand that is best for sump pumps depends on your priorities. For raw reliability, Zoeller’s M53 Mighty-Mate and Liberty’s 287 are the top picks. For value with heavy-duty build, Wayne’s CDU980E delivers 5,490 GPH with a 5-year warranty at a mid-tier price. For budget backup duty, the Superior Pump 91250 has 26k+ reviews and a track record that is hard to beat at its price point.
What’s better, 1/3 hp or 1/2 hp sump pump?
A 1/2 HP sump pump is better than a 1/3 HP pump if you have a high water table, heavy storm inflow, or a deep sump pit. The extra horsepower cycles the basin faster and gives you more flow at higher head pressures. A 1/3 HP pump is better for low-inflow basements where it will run less often and save on electricity. For most finished basements, a 1/3 HP Zoeller M53 is sufficient, while 1/2 HP or 3/4 HP pumps make sense for high-inflow homes.
Which sump pumps last the longest?
Cast iron submersible pumps from Zoeller, Liberty, and Wayne tend to last the longest. Real-world reports on plumbing forums show Zoeller M53 units running for 12 to 15 years without service in harsh conditions. Liberty’s 280-series has similar longevity thanks to oil-filled motors and one-piece cast housings. Plastic utility pumps typically last 3 to 5 years, which is why they are best kept as backup pumps rather than primary basement protection.
What size sump pump do I need?
The right size sump pump depends on your inflow rate and lift height, not the size of your basement. Measure the vertical lift from the sump pit to the discharge point and add 1 foot of head for every 10 feet of horizontal pipe run. Then pick a pump that still delivers at least 1,000 GPH at that total head. For most residential basements, a 1/3 HP pump with 1,800 to 3,000 GPH is enough. For high water tables, step up to 1/2 HP or 3/4 HP.
Final Verdict: Which Sump Pump Should You Buy?
After comparing all eight pumps on flow rate, build quality, switch design, warranty, and real-world longevity, the Zoeller M53 Mighty-Mate is our top pick for the best sump pump in 2026. It is the brand plumbers trust most, the build lasts the longest, and it covers the typical residential basement without overspending.
If budget is the bigger concern, the Wayne CDU980E delivers 3/4 HP performance and a 5-year warranty at a mid-tier price, and the Superior Pump 91250 is the right call for a portable backup. For storm-prone homes that cannot afford a power outage, the Wayne primary plus battery backup combo is the most complete sump pump system on this list.