6017050 Evaporative Cooler Pump with 3 Pin Connector
4.5Editor score
Thermal protection included
Easy quick connect
Durable construction
In this guide
Finding a reliable evaporative cooler pump is essential for maintaining optimal performance in your swamp cooler system during hot summer months.
We compared ten top-rated pumps based on durability, flow rate, noise levels, and user feedback to help you make an informed decision.
Each pick highlights key features and performance metrics to guide your choice, though prices and availability may change over time.
Top 3 Picks for Best Evaporative Cooler Pump
Little Giant CP1-115, 1/70 HP, 115/127V, 307 GPH Evaporative Cooler Pump
4.3Editor score
High quality motor
Versatile mounting
Easy to clean
UL7500 110-120V Swamp Cooler Pump
5.0Editor score
Fully submersible
Bottom suction intake
Ultra quiet operation
Top 10 Best Evaporative Cooler Pump in 2026 Compared
The following table provides a side-by-side comparison of the top ten evaporative cooler pumps available, highlighting key specifications and features for easy evaluation.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Dial Manufacturing UL7500 115V Concentric Evaporative Cooler Pump
Noncorrosive motor housing
Built-in pump screen
Removable base plate
Optional bleed-off port
4.5Editor score
Editor's Choice
Dial MC8500UL High-Efficiency Evaporative Cooler Pump with Thermal Overload Protection – 115V, 4,000-8,500 CFM Units – 1442
Thermal overload protection
Low noise operation
Corrosion-resistant shaft
Includes mounting brackets
4.3Editor score
Best Premium
Little Giant CP1-115, 1/70 HP, 115/127V, 307 GPH Evaporative Cooler Pump
High quality motor
45 degree adapter
Snap-off volute plate
Corrosion resistant shaft
4.3Editor score
6017050 Evaporative Cooler Pump with 3 Pin Connector
Quick connect install
Thermal protection
Durable components
Multiple model fit
4.5Editor score
6060050 Evaporative Coolers Pump Ultra Quiet with Dry Burning Protection
Ultra quiet design
Dry burning protection
Thermal safety
Long-lasting operation
4.6Editor score
DIAL 1387 UL15000 Cooler Pump
Highly durable
Easy to use
Easy installation
Easy handling
4.5Editor score
UL11000 110-120V Evaporative Cooler Pump
Fully submersible
Bottom suction intake
Ultra quiet
Dry-burn protection
4.6Editor score
UL7500 110-120V Swamp Cooler Pump
Fully submersible
Bottom suction intake
Ultra quiet
Dry-burn protection
5.0Editor score
Little Giant CP3-115, 1/30 HP, 115V, 563 GPH Evaporative Cooler Pump
High quality motor
45 degree adapter
Snap-off volute plate
Corrosion resistant shaft
4.5Editor score
Little Giant 542005 CP3-115 1/30 Horsepower Evaporative Cooler Pump
Heavy duty motor
Thermal protection
Universal mounting
90 degree elbow
4.1Editor score
1. Dial Manufacturing UL7500 – Best Overall Evaporative Cooler Pump
Dial Manufacturing UL7500 115V Concentric Evaporative Cooler Pump
Noncorrosive motor
Flame-retardant housing
Built-in screen
Optional bleed-off
This pump is a standard choice for many evaporative cooler systems, featuring a noncorrosive, flame-retardant motor housing.
Pros
- Durable motor housing
- Includes pump screen
- Optional bleed-off port
- Removable base plate
- Concentric design
Cons
- Basic design
- Limited flow rate
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It offers a built-in pump screen to protect the internal components from debris and includes an optional bleed-off port for better water control.
While the design is straightforward, the removable base plate makes maintenance easier and the concentric setup ensures consistent water circulation.
Homeowners looking for a reliable replacement pump with essential safety and maintenance features will find this model a solid choice.
Reliable Motor Protection
The noncorrosive, flame-retardant motor housing ensures longevity and safety in humid environments.
Convenient Maintenance
A removable base plate and built-in pump screen simplify routine cleaning and upkeep tasks.
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2. Dial MC8500UL – Best for High CFM Units
Dial MC8500UL High-Efficiency Evaporative Cooler Pump with Thermal Overload Protection – 115V, 4,000-8,500 CFM Units – 1442
Thermal overload
Low noise
Corrosion-resistant shaft
Mounting brackets
This pump is engineered for efficiency, specifically designed to circulate water in evaporative coolers covering 4,000 to 8,500 CFM.
Pros
- High efficiency for large units
- Thermal overload protection
- Engineered for quiet performance
- Corrosion-resistant shaft and bearings
- Includes durable mounting brackets
Cons
- Price higher than basic
- Specific CFM range
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It features thermal overload protection to ensure safe operation and longevity even in high-demand situations, while also being engineered for quiet performance.
Users benefit from a corrosion-resistant shaft and bearings that provide reliable, consistent performance over time along with durable mounting brackets.
Those with larger cooler units seeking a quiet, reliable pump with built-in safety features should consider this high-efficiency option.
Safety and Longevity
Thermal overload protection safeguards the pump in high-demand situations, extending its service life.
Quiet Operation
The low-noise design ensures a comfortable environment, ideal for homes or offices using large coolers.
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3. 6017050 Pump – Best Budget Replacement
6017050 Evaporative Cooler Pump with 3 Pin Connector
Thermal protection
Easy install
Durable components
Multiple models
This pump is a direct replacement for many specific models like MC18M and MC17, making it a convenient and affordable solution for repairs.
Pros
- Affordable price point
- Quick installation process
- Thermal protection included
- Durable component quality
- Fits multiple models
Cons
- Simpler build
- Not for all coolers
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Installation is described as easy, involving removing the back case and disconnecting the quick connect from the old pump to replace it with this new one.
It includes thermal protection from overheating when running dry, ensuring reliability, and is built with durable components for long-lasting operation.
If your cooler matches the listed models, this pump offers an effective, low-cost way to restore cooling performance without expensive service calls.
Simple Installation
The quick connect disconnect and standard mounting make this pump easy to install without special tools.
Thermal Safety
Thermal protection ensures the pump won't overheat if water levels drop, preventing motor burnout.
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4. 6060050 Pump – Best for Quiet Operation
6060050 Evaporative Coolers Pump Ultra Quiet with Dry Burning Protection
Ultra quiet
Dry burning protection
Thermal safety
Long lasting
This pump is designed for specific models including MC61M and M250, offering ultra-quiet operation that minimizes noise during use.
Pros
- Designed for quiet performance
- Dry burning protection included
- Durable components for reliability
- Easy installation process
- Quality assurance support
Cons
- Specific model fit
- Not universal for all
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It features dry burning protection to protect the motor if water levels run low, and is built with durable components for reliable operation over time.
The installation process is straightforward, allowing users to quickly replace their old pump and restore cooling functionality efficiently.
For owners of these specific cooler models prioritizing quiet performance and safety features, this pump is a strong replacement choice.
Noise Reduction
Engineered for ultra-quiet operation, this pump ensures a peaceful environment while your cooler runs.
Dry Running Protection
Dry burning protection prevents motor damage if water levels drop, extending pump life and reliability.
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5. Little Giant CP1-115 – Best Versatile Mounting
Little Giant CP1-115, 1/70 HP, 115/127V, 307 GPH Evaporative Cooler Pump
High quality motor
45 degree adapter
Snap-off volute plate
Corrosion resistant shaft
This pump is designed for use in evaporative coolers and various other applications, featuring a high quality concentric fan-cooled motor.
Pros
- High quality concentric motor
- Versatile mounting options
- 45 degree discharge adapter
- Snap-off volute plate for cleaning
- Corrosion resistant steel shaft
Cons
- Lower flow rate
- Not for large CFM
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It includes versatile mounting options with a 45 degree discharge adapter and fits various tubing sizes, making it adaptable for different setups.
Cleaning is simple thanks to the snap-off volute plate, and the one-piece corrosion resistant steel shaft ensures durability over time.
Users needing a versatile, easy-to-maintain pump for smaller systems or specific display applications will find this model very practical.
Easy Cleaning
The snap-off volute plate allows for quick and easy cleaning to maintain optimal pump performance.
Flexible Mounting
Versatile mounting options and included adapters make fitting this pump into various setups straightforward.
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6. DIAL 1387 UL15000 – Best for Large Capacity
DIAL 1387 UL15000 Cooler Pump
Highly durable
Easy to use
Easy installation
Easy handling
This pump is highlighted for its durability and ease of use, making it a reliable option for larger evaporative cooler systems.
Pros
- Highly durable construction
- Easy to handle and use
- Simple installation process
- Designed for larger systems
- Reliable brand
Cons
- Limited specific details
- May be heavier
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The design focuses on user-friendly installation and handling, ensuring that maintenance or replacement is straightforward without specialized tools.
While specific technical specs are less detailed, the emphasis on durability suggests it is built to withstand continuous operation demands.
If you need a robust, easy-to-install pump for a larger unit, this model offers a practical solution with minimal hassle.
Durability Focus
Designed to be highly durable, this pump is built for long-term reliable operation in demanding conditions.
User-Friendly Installation
The focus on easy installation and handling simplifies the setup process for homeowners and DIY users.
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7. UL11000 – Best Fully Submersible Design
UL11000 110-120V Evaporative Cooler Pump
Fully submersible
Bottom suction intake
Dry-burn protection
Ultra quiet
This pump stands out for its fully submersible design, allowing the entire unit to sit underwater without risk of short circuits.
Pros
- 100% submersible design
- Bottom-suction intake with guard
- Dry-burn protection included
- Ultra quiet operation
- Universal cooler compatibility
Cons
- Taller design
- Specific tank fit check
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It features a bottom-suction intake with a built-in debris guard to prevent blockages and extend pump life by trapping debris effectively.
Additional features include dry-burn protection for motor safety and ultra-quiet operation, making it suitable for both home and commercial use.
Those needing a universal, safe, and quiet pump with a bottom-suction design will find this model highly beneficial for their cooler system.
Submersible Safety
The 100% submersible design ensures the pump can sit fully underwater without damage or short circuits.
Bottom Suction Design
Bottom suction intake with a debris guard prevents clogs by trapping sediment before it reaches the pump.
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8. UL7500 Swamp Pump – Best Premium Features
UL7500 110-120V Swamp Cooler Pump
Fully submersible
Bottom suction intake
Dry-burn protection
Ultra quiet
This pump is a top-rated option known for its fully submersible design, ensuring safe operation even when fully underwater.
Pros
- 100% submersible design
- Bottom-suction intake with guard
- Dry-burn protection included
- Ultra quiet operation
- Compact universal fit
Cons
- Check tank size
- Specific outlet adapters
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It includes a bottom-suction intake with a debris guard to prevent blockages, plus dry-burn protection and ultra-quiet performance for peace of mind.
The compact design fits tight spaces where taller pumps might not, making it versatile for various portable and commercial cooler units.
For premium features like safety, quiet operation, and universal compatibility, this pump delivers excellent value and reliability.
Compact Versatility
The compact design fits tight spaces where taller pumps won't, offering flexibility for various setups.
Premium Safety Features
Dry-burn protection and fully submersible design provide advanced safety for continuous 24/7 use.
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9. Little Giant CP3-115 – Best High Flow
Little Giant CP3-115, 1/30 HP, 115V, 563 GPH Evaporative Cooler Pump
High quality motor
45 degree adapter
Snap-off volute plate
Corrosion resistant shaft
This pump is designed for larger evaporative cooler systems, featuring a high quality concentric fan-cooled motor and high flow rate.
Pros
- High quality concentric motor
- High flow rate output
- Versatile mounting options
- Snap-off volute plate for cleaning
- Corrosion resistant steel shaft
Cons
- Higher cost
- More complex unit
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It offers versatile mounting options with a 45 degree discharge adapter and includes a snap-off volute plate for easy maintenance.
The one-piece corrosion resistant steel shaft ensures durability, and it is rated for higher CFM units like 15000 to 21500.
Users with large commercial or industrial cooler systems requiring high flow rates will benefit from this model's robust performance.
High Flow Capacity
Designed for high flow rates, this pump supports larger units requiring more water circulation for effective cooling.
Durable Motor Design
The high quality concentric fan-cooled motor provides reliable, long-lasting performance even in demanding conditions.
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10. Little Giant 542005 CP3-115 – Best for Heavy Duty
Little Giant 542005 CP3-115 1/30 Horsepower Evaporative Cooler Pump
Heavy duty motor
Thermal protection
Universal mounting
90 degree elbow
This pump features a heavy duty concentric fan-cooled motor with thermal overload protection, designed for reliable performance in demanding settings.
Pros
- Heavy duty motor design
- Thermal overload protection
- Universal mounting configurations
- Includes 90 degree elbow
- Reliable pump output
Cons
- Higher price point
- Basic design features
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It supports universal mounting configurations and includes a 90 degree barbed elbow with bleed-off, making it versatile for various setups.
The high flow rate and robust build quality make it a strong choice for larger evaporative cooler systems requiring consistent operation.
If you need a heavy-duty, reliable pump with standard safety features for a larger unit, this model is a solid option.
Heavy Duty Performance
The heavy duty motor ensures reliable operation even in demanding conditions where consistent water circulation is needed.
Versatile Configuration
Universal mounting and included elbow fittings allow flexible installation to suit different cooler system designs.
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Buying Guide – How to Choose the Best Evaporative Cooler Pump
Choosing the right evaporative cooler pump involves considering factors like flow rate, motor type, safety features, and compatibility with your existing system.
Flow Rate and Capacity
The flow rate of a pump, measured in gallons per hour, determines how effectively it circulates water through your cooler.
Matching the pump to your cooler's CFM requirements is essential for optimal cooling performance and system efficiency.
Motor Type and Durability
Motor construction and materials like corrosion-resistant shafts contribute to the longevity of your pump.
Look for pumps with fan-cooled motors and durable housings to ensure they withstand continuous operation.
Safety and Protection Features
Features like thermal overload protection and dry-burn protection prevent motor damage and extend the pump's life.
Safety features are crucial, especially if the pump may run low on water or operate continuously during peak heat.
Installation Ease
Consider how easy the pump is to install, including features like quick connect connectors and mounting brackets.
Simple installation saves time and money, especially for DIY users who prefer to avoid professional service calls.
Noise Levels
Quiet operation is often desired for home or office environments to avoid disturbing occupants.
Look for pumps described as ultra-quiet or engineered for low noise to ensure a comfortable environment.
Compatibility and Fit
Ensure the pump fits your tank size and matches your specific cooler model or type for proper operation.
Checking dimensions and model compatibility prevents installation issues and ensures the pump works effectively.
Submersibility
Fully submersible pumps are safer as they can sit underwater without risk of electrical damage or overheating.
This feature is particularly important for units where water levels might fluctuate or cover the motor area.
Maintenance and Cleaning
Pumps with easy-to-clean features like snap-off plates or built-in screens make upkeep simpler.
Regular maintenance helps prevent clogs and extends the service life of your cooler system.
How to Use and Care for Your Evaporative Cooler Pump
To install a pump safely, always disconnect power, remove the back panel, and disconnect the old pump before placing the new unit in the tank.
Regularly check the intake grille and filter screen to clear debris and prevent clogs that could damage the motor.
Inspect the pump periodically for signs of wear or leaks and ensure water levels remain adequate to prevent dry running damage.
Frequently Asked Questions
What size pump do I need for my evaporative cooler?
Check your cooler's specifications for required CFM and water flow. Match the pump to your cooler's size to ensure adequate circulation and cooling.
Can I use a submersible pump in any evaporative cooler?
Submersible pumps work well in tanks where the pump will be fully submerged. Check tank dimensions and compatibility before installation to ensure proper fit.
How do I know if my pump needs replacing?
Signs include reduced water flow, unusual noises, leaks, or the pump failing to start. Regular maintenance helps identify issues before they become critical failures.
Why is my evaporative cooler pump noisy?
Noise can be caused by debris in the pump, misalignment, or wear on internal parts. Cleaning the intake screen and inspecting the motor may resolve the issue.
How often should I clean my cooler pump?
Ideally clean the pump intake and screen at the start of each cooling season and periodically during use to prevent debris buildup and clogs.
What is thermal overload protection on a pump?
Thermal overload protection is a safety feature that shuts off the motor if it overheats, preventing damage and extending the pump's operational life.
Final Thoughts on Choosing the Best Evaporative Cooler Pump
The right evaporative cooler pump ensures efficient cooling, safety, and longevity for your swamp cooler system.
Prioritize features like flow rate compatibility, safety protections, and ease of installation when selecting a replacement pump.
Remember to verify compatibility and check current availability before purchasing to ensure a successful upgrade for your cooling needs.