Best Sump Pumps
Top sump pumps ranked by transparent trust scores.
8 products ranked
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Top Pick
9.4
Excellent
Zoeller M53 Mighty-Mate 1/3 HP
Ranked #1 based on expert reviews, user sentiment, and value analysis.
#1
9.4
Excellent
Consensus
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Ranked #1 based on expert reviews, user sentiment, and value analysis.
Pros
- All cast-iron construction
- Proven vertical float switch
- Handles half-inch solids
Cons
- Costs more than plastic rivals
- 1/3 HP is modest for deep basements
Don't buy this if…
- Do not buy the M53 for pits narrower than 11 inches, because the vertical float needs clearance to travel.
#2
9.2
Excellent
Consensus
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Ranked #2 based on expert reviews, user sentiment, and value analysis.
Pros
- Strong 10-foot-head performance
- Top-suction design limits airlocks and clogs
- Quiet for its power class
Cons
- Vertical float requires a 11-inch-plus pit
- Overkill for shallow water tables
Don't buy this if…
- Skip this power class if your pit is small and inflow is light, since short-cycling a 3/4 HP motor wears it out early.
#3
9.0
Excellent
Consensus
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Ranked #3 based on expert reviews, user sentiment, and value analysis.
Pros
- Quick-disconnect cord simplifies service
- Compact footprint fits small pits
- US-made cast iron housing
Cons
- Magnetic float switch is model-specific
- Slightly louder check-valve clunk
Don't buy this if…
- Avoid it if your discharge head exceeds 15 feet, because the 1/3 HP curve falls off steeply past that height.
#4
8.7
Excellent
Consensus
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Ranked #4 based on expert reviews, user sentiment, and value analysis.
Pros
- Primary and backup installed as one unit
- Audible battery and cycle alarms
- Backup moves water even mid-outage
Cons
- Battery sold separately
- Combo height needs a deeper pit
Don't buy this if…
- Do not install any battery backup without a maintenance habit, since a dead battery discovered during an outage is worthless.
#5
8.5
Excellent
Consensus
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Ranked #5 based on expert reviews, user sentiment, and value analysis.
Pros
- Highest backup flow in its class
- App alerts for battery and activations
- Dual float redundancy
Cons
- Requires its own battery purchase
- Wi-Fi setup frustrates some users
Don't buy this if…
- Skip the connected features if your basement has no Wi-Fi signal, because the alerting is the main reason to pay this premium.
#6
8.3
Good
Consensus
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Ranked #6 based on expert reviews, user sentiment, and value analysis.
Pros
- Very affordable
- Light and easy to service
- Handles occasional-duty pits fine
Cons
- Thermoplastic housing dissipates heat poorly
- Tethered float needs a wide pit
Don't buy this if…
- Do not use a thermoplastic pump as primary defense for a finished basement, since its duty cycle is a fraction of cast iron.
#7
8.1
Good
Consensus
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Ranked #7 based on expert reviews, user sentiment, and value analysis.
Pros
- Three-year warranty
- Cast iron at a mid-tier price
- Cool-running oil-filled motor
Cons
- Tethered float demands 14-inch pit diameter
- Fewer service parts than Zoeller
Don't buy this if…
- Avoid tethered-switch pumps in narrow pits, because a snagged tether is the top cause of burnout and floods.
#8
7.9
Good
Consensus
Compare
Ranked #8 based on expert reviews, user sentiment, and value analysis.
Pros
- Cheapest credible backup option
- Simple installation beside any primary
- Audible alarm on activation
Cons
- Modest flow at real head heights
- No app connectivity
Don't buy this if…
- Do not rely on this as your only pump, since 12V backups are designed for hours of outage coverage, not daily duty.
Quick Comparison
How We Rank
Composite trust score from expert reviews, user sentiment, complaint analysis, and value assessment.
Trust Score
Weighted composite of all factor scores
Expert Score
Aggregated expert review ratings
User Sentiment
Community votes and review analysis
Value Score
Price-to-performance ratio
Freshness
Recency of reviews and data
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