top combination sump pumps

A combination sump pump system offers the convenience of a primary pump paired with a backup, providing reliable protection against flooding. The best options balance power, durability, and ease of maintenance. The Glentronics PS-C33 PHCC stands out as the top overall pick for its robust performance and reliable backup features. Basement Watchdog Model DFK961 is a strong choice for those prioritizing battery backup, while the PumpSpy PS2000C impresses with smart Wi-Fi connectivity. Buyers face tradeoffs between cost, complexity, and backup type, making it important to understand each system’s strengths. Keep reading for a detailed breakdown of the best options and what to consider when choosing your system.

6
compared
4
brands
Which combination sump pump system should you buy?
★ Top Pick
Glentronics PS-C33 PHCC 3000 G
Best Overall for Heavy-Duty Performance and Reliability
High flow rate suitable for heavy water removal
See on Amazon →
Homeowners seeking a reliable, easy-to-install combination system with good protection features
Glentronics PS-C11 PHCC 2770 G
Automatic switch to battery backup during power outages
View on Amazon →
Homeowners prioritizing durability and straightforward monitoring over smart features
Basement Watchdog Model DFK961
Reliable primary and backup pumping capabilities
View on Amazon →
Homeowners wanting modern, remotely monitored sump systems with easy installation
PumpSpy PS2000C Pre-Assembled
Easy to install within 15 minutes
View on Amazon →
Homeowners with large basements or high water flow needs requiring maximum backup capacity
Wayne 1/2 HP Sump Pump with Ba
Powerful 1/2 HP motor with high flow rate
View on Amazon →
Pros & cons at a glance
Glentronics PS-C33 PHCC 3000 G
✓ High flow rate suitable for heavy water removal
✗ Complex setup may require technical knowledge
Glentronics PS-C11 PHCC 2770 G
✓ Automatic switch to battery backup during power outages
✗ Battery not included, requiring extra purchase
Basement Watchdog Model DFK961
✓ Reliable primary and backup pumping capabilities
✗ Heavy weight may complicate installation
PumpSpy PS2000C Pre-Assembled
✓ Easy to install within 15 minutes
✗ Requires at least a 15-inch diameter sump basin
Wayne 1/2 HP Sump Pump with Ba
✓ Powerful 1/2 HP motor with high flow rate
✗ Designed specifically for indoor use only
Basement Watchdog Combo Preass
✓ Preassembled and preplumbed for quick installation
✗ Requires compatible AGM backup battery (not included)

Key Takeaways

  • The top models offer reliable backup options, with a focus on battery or water-powered redundancy.
  • Ease of installation and maintenance varies; pre-assembled systems save time but may cost more.
  • Smart features like Wi-Fi connectivity are increasingly common, adding convenience but also complexity.
  • Performance differences often relate to flow rate, horsepower, and backup capacity, affecting suitability for different homes.
  • Price ranges from budget to premium, with higher-cost options typically offering more advanced features and durability.
2
Glentronics PS-C11 PHCC 2770 G
Best Value with Efficient Operation and Easy Installation
1
Glentronics PS-C33 PHCC 3000 G
Best Overall for Heavy-Duty Performance and Reliability
3
Basement Watchdog Model DFK961
Best for Durable, Reliable Performance with Easy Monitoring

Our Top Combination Sump Pump System Picks

Glentronics PS-C33 PHCC 3000 GPH Pro Series 1/3 HP Combination Sump Pump SystemGlentronics PS-C33 PHCC 3000 GPH Pro Series 1/3 HP Combination Sump Pump SystemBest Overall for Heavy-Duty Performance and ReliabilityFlow Rate: 3000 GPH at 10 Feet headMax Head: 31 FeetPrimary Voltage: 115 VoltsVIEW ON AMAZONSee Our Full Breakdown
Glentronics PS-C11 PHCC 2770 GPH Pro Series 1/3 HP Combination Sump Pump SystemGlentronics PS-C11 PHCC 2770 GPH Pro Series 1/3 HP Combination Sump Pump SystemBest Value with Efficient Operation and Easy InstallationFlow Rate: 2770 GPH at 10 feet headMax Head: 31 feetPrimary Pump Power: 1/3 HPVIEW ON AMAZONSee Our Full Breakdown
Basement Watchdog Model DFK961 1/3 HP Combination Submersible Sump Pump with Battery Backup SystemBasement Watchdog Model DFK961 1/3 HP Combination Submersible Sump Pump with Battery Backup SystemBest for Durable, Reliable Performance with Easy MonitoringPower Source: Corded ElectricFlow Rate: 62 GPMMaximum Lifting Height: 22 FeetVIEW ON AMAZONSee Our Full Breakdown
PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Primary and Battery Backup Sump PumpPumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Primary and Battery Backup Sump PumpBest Smart System with Remote Monitoring and Easy SetupHorsepower: 1/2 HPPrimary Pump Flow Rate: 4,320 GPHBackup Pump Flow Rate: 3,600 GPHVIEW ON AMAZONSee Our Full Breakdown
Wayne 1/2 HP Sump Pump with Battery Backup, Model WSS30VNWayne 1/2 HP Sump Pump with Battery Backup, Model WSS30VNBest for Power and Capacity with Long Battery LifeHorsepower: 1/2 HPFlow Rate: 5,100 GPHBattery Backup Capacity: 10,000 gallonsVIEW ON AMAZONSee Our Full Breakdown
Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System with Monitoring Controller (CITE-33), Copper-Wound PSC MotorBasement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System with Monitoring Controller (CITE-33), Copper-Wound PSC MotorBest Overall Combination Sump Pump SystemPrimary Pump Flow Rate: 62 GPM at 0 ft, 51 GPM at 10 ftBackup Pump Flow Rate: 42 GPM at 0 ft, 25 GPM at 10 ftMotor: ⅓ HP copper-wound PSC motorVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
combination sump pump systemFlow RateHorsepower
Glentronics PS-C33 PHCC 3000 G3000 GPH at 10 Feet head
Glentronics PS-C11 PHCC 2770 G2770 GPH at 10 feet head
Basement Watchdog Model DFK96162 GPM1.00 HP
PumpSpy PS2000C Pre-Assembled 1/2 HP
Wayne 1/2 HP Sump Pump with Ba5,100 GPH1/2 HP
Basement Watchdog Combo Preass

More Details on Our Top Picks

  1. Glentronics PS-C33 PHCC 3000 GPH Pro Series 1/3 HP Combination Sump Pump System

    Glentronics PS-C33 PHCC 3000 GPH Pro Series 1/3 HP Combination Sump Pump System

    Best Overall for Heavy-Duty Performance and Reliability

    View on Amazon

    This system stands out for its impressive flow rate of 3000 GPH at 10 feet head, making it ideal for areas with heavy water inflow. Its automatic backup switching to battery power adds a layer of security during outages, and the alarm system simplifies troubleshooting. Compared with the PumpSpy PS2000C, it offers higher raw capacity but comes with a more complex setup and potentially noisier operation. The battery backup, while a major advantage, requires regular maintenance to stay reliable, which could be a concern for less hands-on users. Overall, this pick is perfect for homeowners facing frequent or severe flooding risks who prioritize capacity and robustness.

    Pros:
    • High flow rate suitable for heavy water removal
    • Automatic backup switch enhances reliability during outages
    • Alarm and diagnostic features for easy troubleshooting
    Cons:
    • Complex setup may require technical knowledge
    • Battery backup needs regular maintenance
    • Potentially noisy operation

    Best for: Homeowners with high water inflow concerns needing a powerful, reliable system with backup features

    Not ideal for: Casual users or those seeking a simple, quiet setup; the complexity and noise may be drawbacks

    • Flow Rate:3000 GPH at 10 Feet head
    • Max Head:31 Feet
    • Primary Voltage:115 Volts
    • Frequency:60Hz
    • Backup Power:Battery-powered backup with 2400 GPH
    • Backup Current:9.0 Amps DC
    Our verdict
    “This system is best suited for those needing maximum capacity and reliable backup in demanding conditions.”
  2. Glentronics PS-C11 PHCC 2770 GPH Pro Series 1/3 HP Combination Sump Pump System

    Glentronics PS-C11 PHCC 2770 GPH Pro Series 1/3 HP Combination Sump Pump System

    Best Value with Efficient Operation and Easy Installation

    View on Amazon

    Compared to the high-capacity PS-C33, the PS-C11 offers slightly lower flow at 2770 GPH but emphasizes energy efficiency and simpler installation. Its pre-assembled design reduces setup time, and its multiple float switches provide comprehensive protection. However, the absence of the battery in the package means additional purchase is necessary, and the lightweight build raises questions about durability or packaging errors. The monitoring features might be overkill for basic needs but are ideal for users wanting detailed system oversight. This pick makes the most sense for homeowners who want a balanced combination of efficiency and straightforward installation without the highest capacity.

    Pros:
    • Automatic switch to battery backup during power outages
    • Includes multiple float switches for comprehensive protection
    • Pre-assembled for quick installation
    Cons:
    • Battery not included, requiring extra purchase
    • Very lightweight build may suggest packaging or durability concerns
    • Monitoring features may be too complex for simple needs

    Best for: Homeowners seeking a reliable, easy-to-install combination system with good protection features

    Not ideal for: Users needing maximum water flow capacity or those uncomfortable with additional battery purchases

    • Flow Rate:2770 GPH at 10 feet head
    • Max Head:31 feet
    • Primary Pump Power:1/3 HP
    • Backup Pump Power:10-12 Amps DC
    • Voltage:115 Volts, 60Hz
    • Material:Rubber
    • Weight:0.01 ounces
    Our verdict
    “Best for users wanting a cost-effective, easy-to-install combination sump pump with reliable backup features.”
  3. Basement Watchdog Model DFK961 1/3 HP Combination Submersible Sump Pump with Battery Backup System

    Basement Watchdog Model DFK961 1/3 HP Combination Submersible Sump Pump with Battery Backup System

    Best for Durable, Reliable Performance with Easy Monitoring

    View on Amazon

    This model excels in providing durable primary and backup pumping with a maximum flow of 62 GPM and a reliable alert system. Its cast iron and aluminum construction offer longevity, and the system is straightforward to install, making it suitable for homeowners who want dependable operation without complex setup. Compared to the PumpSpy PS2000C, it offers a more traditional, hands-on approach with physical alarms instead of Wi-Fi alerts. The heavy weight of 18.5 pounds might be a hurdle for some, and the battery is sold separately, adding a step to setup. This system is ideal for homeowners seeking durability and easy monitoring in a straightforward package.

    Pros:
    • Reliable primary and backup pumping capabilities
    • Easy to install with pre-assembled components
    • Durable cast iron and aluminum construction
    • Monitoring alerts for maintenance and emergencies
    Cons:
    • Battery sold separately, increasing initial cost
    • Heavy weight may complicate installation
    • Complex setup for less experienced users

    Best for: Homeowners prioritizing durability and straightforward monitoring over smart features

    Not ideal for: Users wanting remote access or the latest smart technology features

    • Power Source:Corded Electric
    • Flow Rate:62 GPM
    • Maximum Lifting Height:22 Feet
    • Voltage:115 Volts
    • Horsepower:1.00 HP
    • Material:Cast Iron / Cast Aluminum
    • Item Dimensions:8.75″L x 10″W x 17.75″H
    • Item Weight:18.5 Pounds
    Our verdict
    “This system is well-suited for those who want a durable, easy-to-monitor backup with straightforward operation.”
  4. PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Primary and Battery Backup Sump Pump

    PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Primary and Battery Backup Sump Pump

    Best Smart System with Remote Monitoring and Easy Setup

    View on Amazon

    This model makes a strong case for users wanting modern convenience, with Wi-Fi connectivity enabling remote monitoring and alerts. The primary 1/2 HP pump moves up to 4,320 gallons per hour, while the backup pump offers 3,600 GPH, providing solid redundancy. Its plug-and-play design allows installation within 15 minutes, making it accessible even for less experienced users. However, it requires a sump basin at least 15 inches in diameter, and its remote features depend on Wi-Fi stability, which could be a limitation in some homes. While the battery capacity of 75 A/h is suitable for typical scenarios, very large basements may need more robust backup. This pick excels for tech-savvy homeowners who value remote control and quick setup.

    Pros:
    • Easy to install within 15 minutes
    • Wi-Fi connectivity enables remote monitoring and alerts
    • Dual backup pumps provide reliable protection
    • Silent check valves prevent pipe banging
    Cons:
    • Requires at least a 15-inch diameter sump basin
    • Dependent on Wi-Fi for remote features
    • Battery capacity may be limited for very large or flood-prone basements

    Best for: Homeowners wanting modern, remotely monitored sump systems with easy installation

    Not ideal for: Those with unreliable Wi-Fi or seeking a purely mechanical backup system

    • Horsepower:1/2 HP
    • Primary Pump Flow Rate:4,320 GPH
    • Backup Pump Flow Rate:3,600 GPH
    • Maximum Lift:30 feet
    • Battery Capacity:75 A/hour
    • Pump Cycle Rating:1 million cycles
    Our verdict
    “Ideal for tech-oriented homeowners seeking a smart, easy-to-install backup system with remote access.”
  5. Wayne 1/2 HP Sump Pump with Battery Backup, Model WSS30VN

    Wayne 1/2 HP Sump Pump with Battery Backup, Model WSS30VN

    Best for Power and Capacity with Long Battery Life

    View on Amazon

    This system offers a high flow rate of 5,100 GPH and evacuates up to 10,000 gallons on a single battery charge, making it suitable for large basements or flood-prone areas. Its 1/2 HP motor provides strong pumping power, and the long-lasting battery backup is a key advantage for extended outages. Its installation is straightforward, and the durable design promises longevity, especially with a 3-year warranty. Compared with the Basement Watchdog DFK961, this model emphasizes raw power and battery capacity, but it requires additional purchase of the battery, adding to initial costs. It’s best for homeowners who want maximum capacity and a reliable backup for large spaces or frequent flooding.

    Pros:
    • Powerful 1/2 HP motor with high flow rate
    • Reliable battery backup capable of evacuating 10,000 gallons
    • Easy to install with tested durability
    • Long battery life for extended outages
    Cons:
    • Battery must be purchased separately, increasing costs
    • Designed specifically for indoor use only
    • Potentially overpowered for small or moderate needs

    Best for: Homeowners with large basements or high water flow needs requiring maximum backup capacity

    Not ideal for: Users with limited space or those seeking a simple setup without extra battery purchases

    • Horsepower:1/2 HP
    • Flow Rate:5,100 GPH
    • Battery Backup Capacity:10,000 gallons
    • Power Cord Length:8 feet
    • Warranty:3 years
    Our verdict
    “Best suited for large spaces or heavy-duty scenarios where maximum pumping capacity and extended backup are priorities.”
  6. Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System with Monitoring Controller (CITE-33), Copper-Wound PSC Motor

    Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System with Monitoring Controller (CITE-33), Copper-Wound PSC Motor

    Best Overall Combination Sump Pump System

    View on Amazon

    This system stands out for its preassembled design, making installation straightforward compared to the more modular Glentronics PS-C33. Its reliable ⅓ HP copper-wound PSC motor offers excellent energy efficiency and long-term durability, which is a clear advantage over models with less efficient motors. The inclusion of both primary and backup pumps with high flow rates ensures comprehensive protection, especially during power outages—an area where the Basement Watchdog Model DFK961 might fall short. The integrated monitoring controller with alarms adds peace of mind but does require a compatible AGM battery, which isn’t included, adding a layer of setup for some users. Its compact size allows installation in small pits as narrow as 12 inches, ideal for tight spaces but potentially limiting for larger capacity needs. Compared with other combination systems, this model balances ease of installation with robust features, though it may not be the best choice for very large pits or those needing higher flow rates.

    Pros:
    • Preassembled and preplumbed for quick installation
    • Reliable dual float switches for enhanced protection
    • Energy-efficient copper-wound motor for long-term savings
    • Includes monitoring controller with alarms
    Cons:
    • Requires compatible AGM backup battery (not included)
    • Flow rates depend on installation conditions and may vary
    • Compact design may limit capacity for larger pits

    Best for: Homeowners seeking a ready-to-install, reliable sump pump system with backup that minimizes setup time.

    Not ideal for: Users with large pits or high flow requirements, as its flow rates may be insufficient for heavy-duty use.

    • Primary Pump Flow Rate:62 GPM at 0 ft, 51 GPM at 10 ft
    • Backup Pump Flow Rate:42 GPM at 0 ft, 25 GPM at 10 ft
    • Motor:⅓ HP copper-wound PSC motor
    • Battery Compatibility:Maintenance-free AGM standby battery (BW-27AGM)
    • Charger:0.4-Amp
    • Float Switches:Dual on both primary and backup pumps
    • Design:Fits in pits as small as 12 inches diameter
    Our verdict
    “This system makes the most sense for homeowners prioritizing ease of setup and reliable backup for small to medium pits.”
combination sump pump system
What makes a great combination sump pump system
1
Backup Power Source and Reliability
The core purpose of a combination system is to provide a backup when the primary pump fails.
2
Performance and Flow Rate
A pump’s flow rate, measured in gallons per hour (GPH), directly impacts how quickly water is moved out of your basement.
3
Ease of Installation and Maintenance
Pre-assembled systems can significantly reduce installation time and complexity, especially for DIY homeowners.
4
Smart Features and Monitoring
Smart sump systems with Wi-Fi connectivity provide real-time alerts and remote monitoring, which can be invaluable for proactive m
How to choose your combination sump pump system
1
How we picked
These products were evaluated based on their core performance, durability, ease of installation, and backup reliability.
2
Backup Power Source and Reliability
The core purpose of a combination system is to provide a backup when the primary pump fails.
3
Performance and Flow Rate
A pump’s flow rate, measured in gallons per hour (GPH), directly impacts how quickly water is moved out of your basement
4
Ease of Installation and Maintenance
Pre-assembled systems can significantly reduce installation time and complexity, especially for DIY homeowners.
5
Smart Features and Monitoring
Smart sump systems with Wi-Fi connectivity provide real-time alerts and remote monitoring, which can be invaluable for p
Vetted combination sump pump system ·
The best combination sump pump system, compared
★ Winner Glentronics PS-C33 PHCC 3000 G
Best Overall for Heavy-Duty Performance and Reliability
6compared

How We Picked

These products were evaluated based on their core performance, durability, ease of installation, and backup reliability. We also considered the quality of materials, user-friendly features, and overall value for money. Systems with proven track records and positive user feedback were prioritized. Our ranking emphasizes systems that strike a balance between power, ease of use, and backup options, ensuring they meet the needs of various homeowners. The goal was to identify options that provide dependable protection with reasonable maintenance requirements, helping buyers find a system suited to their specific needs and budgets.
Everyday → specialist
Everyday & valuePremium & specialist
Which combination sump pump system fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Combination Sump Pump System

Choosing the right combination sump pump system involves several considerations beyond just price. To ensure you get a reliable setup, focus on the system’s backup method, installation requirements, and features that match your home’s specific needs. Understanding these factors will help you avoid common pitfalls like underpowered pumps or inadequate backup capacity, which can leave your basement vulnerable during storms or power outages.

Backup Power Source and Reliability

The core purpose of a combination system is to provide a backup when the primary pump fails. Battery backups are popular for their independence from power outages, but they require regular maintenance and replacement. Water-powered backups offer a different approach but depend on municipal water pressure, which may not be consistent. Consider your local power stability and water supply when choosing, and think about how much backup capacity you need for your specific basement conditions.

Performance and Flow Rate

A pump’s flow rate, measured in gallons per hour (GPH), directly impacts how quickly water is moved out of your basement. Higher horsepower pumps generally handle larger volumes more efficiently but tend to cost more and consume more energy. For most residential basements, a 1/3 HP pump offers sufficient power, but larger or heavily waterproofed spaces may require higher capacity units. Balancing performance with energy efficiency is key to avoiding unnecessary costs.

Ease of Installation and Maintenance

Pre-assembled systems can significantly reduce installation time and complexity, especially for DIY homeowners. However, these often come at a premium price. Modular units or systems with accessible components ease routine maintenance and repairs, extending their lifespan. Be mindful of space constraints and whether your existing plumbing aligns with the system’s design, as improper installation can diminish effectiveness or lead to failures.

Smart Features and Monitoring

Smart sump systems with Wi-Fi connectivity provide real-time alerts and remote monitoring, which can be invaluable for proactive maintenance and quick response during heavy rain. However, they also introduce additional points of failure and require a reliable internet connection. Consider whether these features justify the extra cost in your situation, especially if you prefer a more straightforward, plug-and-play setup.

Cost and Long-Term Value

While budget models can protect your basement effectively, investing in higher-quality units often yields better durability, quieter operation, and more reliable backups. Cheaper systems may require more frequent repairs or replacements, increasing long-term costs. Evaluate your risk level, local climate, and how much you’re willing to spend upfront versus potential future expenses when selecting a system.

Frequently Asked Questions

How often should I test my combination sump pump system?

Regular testing of your system—at least twice a year—is essential to ensure it functions correctly during emergencies. Most manufacturers recommend pouring water into the sump pit to activate both the primary and backup pumps, checking that each operates properly. Also, inspect backup batteries for charge and replace them according to the manufacturer’s schedule, usually every 3-5 years. Routine testing helps catch potential issues early, preventing surprises during storms or outages.

Can I install a combination sump pump system myself?

Many homeowners with some plumbing and electrical experience can install basic combination systems, especially those with pre-assembled units designed for DIY installation. However, complex systems with smart features or water-powered backups may require professional help to ensure proper setup and compliance with local codes. Improper installation can compromise performance, so consider your skill level and the system’s complexity before deciding to install yourself.

What backup capacity do I need for my basement?

The backup capacity depends on your basement size, water table level, and rainfall patterns. Larger or heavily waterproofed basements require more flow capacity, meaning a pump with higher GPH and a backup capable of handling prolonged outages. It’s wise to select a backup system that can handle at least twice your typical water inflow rate to provide a safety margin. Overestimating backup capacity can prevent flooding during severe weather events.

Are smart sump pump systems worth the extra cost?

Smart systems offer significant advantages in monitoring and alerts, allowing homeowners to respond promptly to issues. They can save money by preventing damage through early warnings and remote diagnostics. However, they tend to be more expensive and slightly more complex to set up. If you live in an area prone to frequent storms or have a large basement, the added security can justify the cost. For simpler needs or budget-conscious buyers, non-smart models often suffice.

What maintenance is required for combination sump pump systems?

Maintenance typically involves regular testing, cleaning the pump and sump pit, and checking backup batteries for charge. Batteries should be replaced every 3-5 years, and backup water-powered units require inspection of water supply lines for leaks or blockages. Ensuring that the discharge pipes are clear and that the system is free of debris extends its lifespan and maintains reliability. Proper maintenance is essential to prevent unexpected failures during critical moments.

Conclusion

The best overall choice for most homeowners is the Glentronics PS-C33 PHCC, thanks to its balance of power, backup reliability, and ease of use. If value is your priority, the Wayne WSS30VN offers solid performance at a more accessible price point. For those seeking a premium, feature-rich system, the PumpSpy PS2000C with smart connectivity is a compelling option. Beginners or DIYers should consider pre-assembled models like the Basement Watchdog Combo for straightforward installation. Finally, if you need maximum backup capacity, systems with battery backups like the Basement Watchdog Model DFK961 are worth the investment to protect against power outages and flooding.

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