The Best Submersible Pump for Hot Tub:

Draining your hot tub shouldn’t feel like a chore. We understand you need a reliable submersible pump that gets the job done quickly without breaking the bank.

Whether you’re struggling to find the right size, comparing prices at Lowe’s and Home Depot, or simply overwhelmed by the options, we’re here to help.

We’ll break down the best submersible pump for hot tub, highlight key features, and answer your most pressing questions so you can choose the perfect pump for a hassle-free drain.

Imagine emptying your hot tub in a fraction of the time, with minimal effort and mess. That’s the magic of a submersible pump.

My Best Pick: FOTING Sump Pump 1HP

1HP Submersible Water Pump offers a versatile solution for various water drainage needs, boasting features like a 304 stainless steel design and adjustable tether float switch. Check Here Priced at $79.99, it’s a solid choice for homeowners looking for a reliable pump that can handle everything from pools to basements.

Key Features

• Powerful 1 HP Motor: Capable of draining up to 3434 GPH and lifting water up to 31 feet.
• Durable Construction: The 304 stainless steel ensures corrosion resistance, durability, and better cooling, with a premium seal that prevents leakage.
• Automatic & Manual Operation: With an adjustable float switch for automatic operation and the option to run continuously.
• Easy Setup: Comes with a NPT1-1/4″ adapter and a 25ft power cord for flexible installation.
• Wide Applicability: Suitable for various uses, from pool draining to garden watering.

Customer Feedback

When choosing a submersible pump for your hot tub, keep these key features in mind:

• Flow Rate (GPH): This indicates how much water the pump can move per hour. A higher GPH means faster draining. Consider your hot tub’s size; a larger tub will generally require a higher flow rate.
• Power (HP): Measured in horsepower, this determines the pump’s strength and energy consumption. A more powerful pump can handle larger volumes of water more quickly but might use more energy.  
• Head Height: This refers to the vertical distance the pump can lift water. While important for applications like wells, it’s less critical for hot tub draining, as the water usually flows downward.
• Hose Compatibility: Ensure the pump’s outlet matches the size of your drain hose for a secure and leak-free connection.
• Automatic Shut-off/Float Switch: This handy feature automatically turns off the pump when the water level gets too low, preventing damage from running dry.
• Durability and Materials: Look for pumps made from durable materials like thermoplastic, which can withstand the heat and chemicals in your hot tub water.

Top 5 Submersible Pumps for Hot Tubs: In-Depth Reviews

1. Superior Pump 91250 1/4 HP Thermoplastic Submersible Utility Pump

A popular choice among hot tub owners for its durability and reliable performance. With a 1/4 HP motor, this pump can move up to 1,800 gallons of water per hour, making it efficient for draining and circulating hot tub water.

Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP

$59.73

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Key Features:

• Powerful Performance: Moves up to 30 gallons per minute, with a lifting height of 25 feet.
• Durability: Built with tough thermoplastic construction, ensuring the pump withstands the rigors of hot tub environments.
• Versatile Use: Comes with a 1-1/4 inch NPT discharge and a 3/4 inch garden hose adapter, making it easy to connect to various hoses.
• User-Friendly: Features a removable suction screen that handles up to 1/8 inch solids, making maintenance straightforward.

Best For: Hot tub owners looking for an affordable, reliable pump with solid performance.

2. DEKOPRO Submersible Water Pump 1/3 HP Utility Pump

The DEKOPRO Pump is a versatile, high-efficiency pump that can handle a wide range of draining tasks, including hot tubs. With a 1/3 HP motor, it boasts a maximum flow rate of 2450 gallons per hour, making it one of the most powerful pumps in this category.

DEKOPRO Submersible Water Pump 1/3 HP 2450GPH Utility Pump Thermoplastic Electric Portable Transfer Water Pump with 10-Foot Cord for Pool Tub Garden Pond Draining

$59.99

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Key Features:

• High Efficiency: Discharges up to 40.8 gallons per minute with a maximum lift capacity of 28 feet.
• Corrosion-Resistant Construction: Made with thermoplastic materials that ensure durability and long service life.
• Practical Adapters: Includes a 1-1/4″ NPT discharge size and a 3/4″ garden hose adapter for flexible use.
• Versatile Applications: Suitable for a variety of uses beyond hot tubs, including pools, ponds, and general water removal tasks.

Best For: Users who need a high-capacity pump for frequent or heavy-duty draining tasks.

3. Green Expert 1/3 HP Sump Pump Submersible with Unique Flow Sensor Switch

The Green Expert Pump stands out for its innovative design, featuring a unique flow sensor switch that ensures complete water removal. This pump is designed for those who need thorough draining of their hot tub without leaving any residual water behind.

Green Expert 1/3HP Submersible Sump Pump with Unique Flow Sensor Switch Last-inch Water Drainage for Flooded Basement Backyard Pool Hot Tub Rain Barrel 25FT Power Cord Easy to Use

$79.99

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Key Features:

• Efficient Motor: The PSC motor provides high performance with thermal overload protection, ensuring reliability and safety.
• Last-Inch Drain Pump: Drains water down to 1/25 inch, thanks to its water sensor switch with a non-return valve, which prevents backflow.
• Dual Operation Modes: Can be used in both automatic and manual modes, depending on the user’s needs.
• Long Power Cord: Comes with a 25-foot power cord, allowing for flexible installation and use.

Best For: Hot tub owners who want to ensure every drop of water is drained, ideal for those in colder climates where leftover water can freeze.

4. WAYNE CDU790 – 1/3 HP Submersible Sump Pump

The WAYNE, a heavy-duty submersible sump pump designed for indoor use, but its robust design and high flow rate make it a suitable option for hot tubs as well. It can handle up to 4,600 gallons per hour, making it the most powerful pump on this list.

WAYNE CDU790 - 1/3 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - Up to 4,600 Gallons Per Hour - Heavy Duty Basement Sump Pump, Black

$133.00

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Key Features:

• High Capacity: Pumps up to 63 gallons per minute with a maximum lift height of 10 feet.
• Durable Construction: Made from corrosion-resistant cast iron and stainless steel, ensuring longevity even in tough environments.
• Efficient Design: Top suction design minimizes clogging from debris and eliminates air locks.
• Long-Lasting Performance: Tested to 1 million cycles, providing reliability and peace of mind.

Best For Users with large hot tubs or those who need a pump with a high flow rate for quick draining.

How to Choose the Right One

1. Determine the Pump Capacity

• Gallons Per Hour (GPH): The pump’s GPH rating indicates how quickly it can move water. For hot tubs, a pump with a minimum of 2,000 to 3,000 GPH is usually sufficient. If your hot tub is larger or you need faster draining, consider a higher GPH model.
• Horsepower (HP): Pumps range from 1/2 HP to 1.5 HP. Higher HP means more power and faster draining, but it also uses more energy. For standard hot tubs, a 1 HP pump is often adequate.

2. Consider the Lifting Height

• Vertical Lift: If your hot tub is at a lower level or if you need to pump water uphill, check the pump’s maximum lifting height. Most pumps offer between 20 to 30 feet of vertical lift, which should suffice for most home setups.

3. Material and Durability

• Stainless Steel vs. Plastic: Stainless steel pumps are more durable and resistant to corrosion, making them a better choice for long-term use. However, they are also more expensive. Plastic pumps are lighter and more affordable but may wear out faster.
• Seal Quality: Look for a pump with a high-quality mechanical seal to prevent leakage and extend the pump’s lifespan.

4. Automatic vs. Manual Operation

• Automatic Operation: Pumps with an adjustable float switch automatically turn on when water levels reach a certain point, making them convenient for regular use.
• Manual Operation: Some pumps require you to plug them in to start draining. This option offers more control but requires you to be present during operation.

5. Cord Length and Hose Compatibility

• Power Cord Length: Ensure the pump has a long enough cord to reach your power source without needing an extension cord. A 25-foot cord is standard for most pumps.
• Hose Compatibility: Check the hose adapters included with the pump. A pump that fits common hose sizes like 1-1/4″ or 1-1/2″ NPT is ideal, as these hoses are widely available.

6. Noise Level

• Quiet Operation: If noise is a concern, look for pumps specifically designed to operate quietly. Stainless steel pumps often have lower noise levels compared to plastic models.

7. Price and Warranty

Warranty: A good warranty can provide peace of mind. Look for pumps with at least a 1-year warranty, and check if the manufacturer offers easy access to customer support. pump, filtered through an inlet screen, and then forced outward by the spinning impeller blades. The water is then directed into a discharge hose and carried away from the pump.

Budget Considerations: Pumps range in price based on capacity, materials, and features. Set a budget that aligns with your needs, but remember that a higher upfront cost can mean better durability and performance.

Sump Pump Replacement Costs:

Avoid Surprises and Make Smart Choices

When it comes to replacing a sump pump, the overall cost can vary based on several key factors. The typical price range for a sump pump replacement is between $308 and $749, with an average cost of $524.

However, certain conditions, such as the type of sump pump and labor involved, can push the total project cost anywhere from $119 to $1,332.

For more comprehensive installations, including those with additional features like battery backups, costs can climb from $800 to $1,600.

Key Factors Influencing Sump Pump Replacement Costs

1. Labor Costs:

• The cost of labor can vary significantly based on your location and the experience level of your plumber.
• On average, expect an hourly rate, but some companies offer upfront pricing to avoid unexpected charges.
• Hiring a qualified plumber ensures correct installation and minimizes future issues.

2. Type of Sump Pump:

1. Pedestal Pumps: Easier to install, more affordable, but generally less powerful.
2. Submersible Pumps: More expensive due to the complexity of installation, but quieter and more powerful.

Additional Features

• Premium models with features like battery backups can add anywhere from $150 to $300 to your total costs.
• A battery backup ensures your sump pump works during power outages, which can be a lifesaver in flood-prone areas.

How to Drain Your Hot Tub Water with a Submersible Pump

A submersible pump is a quick and easy way to drain the water from your hot tub. Here are the steps to follow:

1. Locate the drainage valve on your hot tub, usually found near the bottom.
2. Connect a garden hose to the drainage valve and run it where you want to drain the water. Ensure the hose is correctly and securely connected if draining into a sewer or septic system.
3. Turn on the submersible pump and let it run until all the water has been drained from the hot tub.
4. Once all the water has been drained, turn off the pump and disconnect the hose from the drainage valve.
5. Dispose of the water properly.

Difference Between Submersible and Jet Pumps

The main difference is their location and function. Submersible pumps are designed to be fully submerged in water and are used for pumping water from underwater sources, while jet pumps are not submerged and are used for drawing water from above-ground sources.

Guide to Parts, Wire, Voltage, and Horsepower

Parts:

• Motor: Converts electrical energy into mechanical energy, comprises windings connected to leads that supply electricity.
• Volute: A housing surrounding the impeller and directing water flow, typically made from cast iron or stainless steel.
• Impeller: A rotating device with vanes that move water through the pump, commonly made from brass, bronze, or stainless steel.

Wire:

• Ensure the pump is durable, easy to install, and rated for the size of your hot tub.
• Follow the manufacturer’s instructions to wire it correctly.

Cable:

• A specialized electrical cable for wet environments such as hot tubs, swimming pools, and irrigation systems.
• Made of stranded copper wire insulated with a moisture-resistant material such as PVC or rubber.

Single Speed or Variable:

• Single-speed pumps operate at a fixed speed and cannot be adjusted.
• Variable-speed pumps allow you to adjust the water flow and customize your experience.

Voltage:

• Most pumps are made to work with either 120-volt or 240-volt systems.
• Residential hot tubs typically use a 120-volt system.

Horsepower:

• The higher the horsepower, the more water the pump can move in a given time.
• Consider the size and frequency of use of your hot tub when selecting the appropriate horsepower.

How to Fix Your Hot Tub Pump

If it is not working, you can do a few things to try and fix it.

1. First, check the power supply to ensure it is plugged in and receiving power.
2.  Next, check the impeller to see if it is broken or damaged. In such a case, you’ll have to replace it.
3.  Finally, check the strainer basket and clean or replace it if necessary. If all of these things are in working order and the pump still isn’t working, you may need to call a professional for help.

For more details, check out Hot Tub Patio. If you want to explore further, visit our Guides and Reviews for additional insights.

Sump Pumps for Basements

To prevent water from accumulating, a sump pump is installed in the lowest part of a basement or crawlspace. Excess water is gathered in a sump basin and pumped away from the foundation of the home, ensuring that the area stays dry and protected.

Common Problems Addressed by Sump Pumps in Basements:

1. Flooding: Heavy rainfall or rising groundwater can lead to basement flooding. A sump pump actively removes this water, preventing potential damage.
2. Dampness and Mold: Persistent moisture creates an environment conducive to mold and mildew growth, which can pose health risks and damage belongings. By keeping the basement dry, a sump pump helps mitigate these issues.
3. Structural Damage: Excess water can weaken a home’s foundation over time, leading to cracks and structural instability. Sump pumps help maintain the integrity of the foundation by managing water levels effectively.

Installing a sump pump is a proactive measure to protect your basement from water-related problems, ensuring a safer and healthier living environment.

Resolving Frequently Asked Queries

Q. What are the benefits of using a submersible pump for my hot tub? Submersible pumps have many benefits when it comes to hot tubs. They are durable and can withstand being submerged in water for long periods.

Q. How do I know which pump is right for my hot tub? The size of it you need will depend on the size of your hot tub and how much water it holds. If your hot tub has a capacity of fewer than 50 gallons, a small submersible pump should work well.

Q. Can you use a submersible pump in a hot tub? For the most part, it can be used in hot tubs. You need to take into consideration the size of your hot tub and pump before purchasing it for your hot tub.

Q. How can I tell if my pump is functioning? If you have it for your hot tub, you can hear it running when it is turned on.

Q. What is the difference between a cartridge and a jet pump? A jet is used to circulate water through jets in a hot tub. A cartridge is used for pumping water from the hot tub into the filter and back into the hot tub.

Q. How do you empty a hot tub with a submersible pump? If you have it for your hot tub, you can turn off the power source to the pump and wait. Once the water has been drained out of your hot tub, plug in the pump again, and it will refill your hot tub with water.

Q. Can you put any pump in a hot tub? It is the essential part of your hot tub. You need a cheap, low-quality pump to keep up with the demands that a hot tub puts on it.

For example, if your pump does not have a motor protector, it is possible for the motor to burn out or for the pump to get damaged.

Q: What size submersible pump do I need for a hot tub? A: The size of the submersible pump you need for a hot tub depends on the hot tub size and how quickly you want to drain it. A more increased flow rate pump drains the water more quickly.

Q: Can you use a submersible pump to empty a hot tub? A: You can use a submersible pump to empty a hot tub. A submersible pump is designed to fully submerge in water and quickly and efficiently drain the water from your hot tub.

Q: Which submersible pumps are best? A: The best submersible pump depends on your specific needs and preferences. Consider factors such as durability, ease of installation, voltage compatibility, and horsepower when selecting a pump.

Q: What kind of pump do I need to drain a hot tub? A: You can use a submersible or sump pump to drain a hot tub. Both pumps are designed to remove water from one location and transfer it to another. Choose a pump with the appropriate flow rate and power for your hot tub size.