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10 Best Hot Water Recirculating Pump 2025 in the United States
#1
Winner
Watts Hot Water Recirculation System with Programmable Timer for Tank Water Heaters, Instant Hot Water, 120V Pump, 10 ft Cord, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines (0955800)
The Watts Hot Water Recirculation System is a great choice for homeowners looking to enjoy instant hot water while saving on water bills. One of its standout features is the thermal bypass technology, which ensures hot water is available at every faucet within seconds, minimizing water waste—a big plus for the eco-conscious user. It is designed for easy installation into existing plumbing without the need for a return line, making it accessible for DIY enthusiasts. The included programmable timer allows users to customize when the system operates, which can help manage energy usage effectively.
Rating
9.9
Chosen by1,207
Flow Rate
Installation Complexity
Noise Level
Most important from
5524 reviews
#2
Watts Heat H2O Hot Water Recirculation System w/Programmable Timer, Instant Hot Water, 3 Year Warranty, Pump, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines, Easy DIY Install (0955805)
The Watts Heat H2O Hot Water Recirculation System promises instant hot water at every faucet and shower, thanks to its thermal bypass technology. This can save significant amounts of water—up to 15,000 gallons per year—by reducing the wait time for hot water. It's designed for easy DIY installation, compatible with most existing plumbing systems, and does not require a return line or additional electricity under the sink. This makes it a great choice for homeowners looking to upgrade their plumbing without professional help.
Rating
9.8
Flow Rate
Head Pressure
Installation Complexity
Most important from
5524 reviews
#3
APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters
The APCOM UT1 Hot Water Recirculation Pump is designed for under-sink installation, making it ideal for homes with tank-type water heaters and single-pipe systems without a dedicated return line. One of its standout features is the instant hot water delivery, eliminating the wait typically associated with hot water systems. This can significantly improve comfort and convenience in your home.
Rating
9.6
Pump Type
Installation Complexity
Noise Level
Most important from
271 reviews
Top 10 Best Hot Water Recirculating Pump 2025 in the United States
#1
Winner
9.9 score
Watts Hot Water Recirculation System with Programmable Timer for Tank Water Heaters, Instant Hot Water, 120V Pump, 10 ft Cord, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines (0955800)
Watts Hot Water Recirculation System with Programmable Timer for Tank Water Heaters, Instant Hot Water, 120V Pump, 10 ft Cord, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines (0955800)
Flow Rate: 6 Liters Per Minute
Pump Type: Hot Water Recirculation
Installation Complexity: Easy to Install
Noise Level: Operates quietly
Energy Efficiency: Programmable timer for energy usage
Compatibility with Existing Plumbing: Compatible with traditional tank heaters
Chosen by 1207 this week
Watts Heat H2O Hot Water Recirculation System w/Programmable Timer, Instant Hot Water, 3 Year Warranty, Pump, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines, Easy DIY Install (0955805)
Watts Heat H2O Hot Water Recirculation System w/Programmable Timer, Instant Hot Water, 3 Year Warranty, Pump, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines, Easy DIY Install (0955805)
Pump Type: Hot Water Recirculation
Installation Complexity: Easy DIY
Noise Level: Operates quietly
Energy Efficiency: Energy efficient
Compatibility with Existing Plumbing: Compatible with most plumbing
APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters
APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters
Pump Type: Hot Water Recirculation Pump
Installation Complexity: Easy, one wrench installation
Energy Efficiency: High
Compatibility with Existing Plumbing: Compatible with standard hot water tanks
Laing LHB08100092 AutoCirc Recirculation Pump with Timer, 115 Volts
Laing LHB08100092 AutoCirc Recirculation Pump with Timer, 115 Volts
Pump Type: AutoCirc Recirculation Pump
Installation Complexity: Simple
Noise Level: Under 30 dB
Energy Efficiency: 14 watts
Compatibility with Existing Plumbing: Not compatible with tankless heaters
Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check
Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check
Flow Rate: 22 GPM
Head Pressure: 8.5 Feet
Pump Type: Circulator
Installation Complexity: Moderate
Noise Level: Quiet
Energy Efficiency: Energy-efficient
Compatibility with Existing Plumbing: Requires check
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GRUNDFOS UP15-29SU/LC 59896776
GRUNDFOS UP15-29SU/LC 59896776
Pump Type: Circulator Pump
Installation Complexity: straightforward
Noise Level: minimal
Energy Efficiency: energy-efficient
Compatibility with Existing Plumbing: 1-1/4 inch connections
Taco 0011-F4 1/8-HP Cast Iron Cartridge Circulating Pump
Taco 0011-F4 1/8-HP Cast Iron Cartridge Circulating Pump
Flow Rate: 31 GPM
Pump Type: Circulator
Compatibility with Existing Plumbing: flanged connections
Grundfos 98420224 UP 10-16 A PM BU/LC Comfort PM AutoAdapt Recirculation Pump
Grundfos 98420224 UP 10-16 A PM BU/LC Comfort PM AutoAdapt Recirculation Pump
Flow Rate: 2.2 Gallons Per Minute
Pump Type: Recirculation Pump
Installation Complexity: Quick and simple installation
Energy Efficiency: Saves up to 48% heat energy
Compatibility with Existing Plumbing: Compatible with most pump housings
Taco 006-ST4 1/40 HP 115V Stainless Steel Circulator Pump
Taco 006-ST4 1/40 HP 115V Stainless Steel Circulator Pump
Pump Type: Circulator Pump
Installation Complexity: easy to handle and install
Compatibility with Existing Plumbing: compatible with most household systems
#10
7.8 score
Grundfos GRU-595916 Recirculating Hot Water Pump Comfort System 25 Watts, Easy Install. Instant hot water throughout system. Entire Kit Included
Grundfos GRU-595916 Recirculating Hot Water Pump Comfort System 25 Watts, Easy Install. Instant hot water throughout system. Entire Kit Included
Flow Rate: 0 - 9 GPM
Head Pressure: 6 feet
Pump Type: Recirculating Hot Water
Installation Complexity: Low
Noise Level: Quiet
Energy Efficiency: Low energy consumption
Compatibility with Existing Plumbing: Standard 3/4-inch connections
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Buying Guide for the Best Hot Water Recirculating Pump
Choosing the right hot-water recirculating pump can significantly improve your home's water efficiency and comfort. These pumps help ensure that hot water is readily available at your faucets without the long wait, saving both water and energy. To make an informed decision, it's important to understand the key specifications and how they align with your needs. Here are the main factors to consider when selecting a hot-water recirculating pump.Flow RateFlow rate, measured in gallons per minute (GPM), indicates how much water the pump can move through the system. This is important because it determines how quickly hot water will be available at your taps. For small homes or apartments, a lower flow rate (around 3-5 GPM) is usually sufficient. For larger homes with multiple bathrooms, a higher flow rate (6-10 GPM or more) may be necessary to ensure quick delivery of hot water throughout the house. Consider the size of your home and the number of fixtures when choosing the appropriate flow rate.
Head PressureHead pressure, measured in feet, refers to the height the pump can push water. This is crucial for homes with multiple stories or long distances between the water heater and the farthest faucet. A higher head pressure means the pump can effectively circulate water over greater distances and heights. For single-story homes or short distances, a lower head pressure (10-15 feet) is usually adequate. For multi-story homes or longer distances, look for a pump with a higher head pressure (20-30 feet or more) to ensure efficient water circulation.
Pump TypeThere are two main types of hot-water recirculating pumps: on-demand and continuous. On-demand pumps activate only when hot water is needed, which can save energy and reduce wear on the pump. Continuous pumps run constantly, ensuring immediate hot water but using more energy. If energy efficiency and lower operating costs are important to you, an on-demand pump may be the better choice. If you prioritize instant hot water at all times, a continuous pump might be more suitable.
Installation ComplexityThe complexity of installation can vary between different models and types of pumps. Some pumps are designed for easy DIY installation, while others may require professional help. If you are comfortable with basic plumbing tasks, you might opt for a model with straightforward installation instructions. However, if you prefer to avoid the hassle or lack the necessary skills, consider choosing a pump that comes with professional installation services or is known for its ease of installation.
Noise LevelNoise level is an important consideration, especially if the pump will be installed near living areas or bedrooms. Some pumps operate very quietly, while others may produce noticeable noise. If noise is a concern, look for models that are specifically designed to be quiet or have noise-reducing features. Reading user reviews and checking the manufacturer's specifications can help you gauge the noise level of a particular pump.
Energy EfficiencyEnergy efficiency is a key factor, as it affects both your utility bills and environmental impact. Pumps with energy-efficient motors and features like timers or sensors can help reduce energy consumption. Look for models that are Energy Star certified or have other energy-saving certifications. If reducing your carbon footprint and saving on energy costs are priorities, choose a pump with high energy efficiency ratings.
Compatibility with Existing PlumbingEnsure that the pump you choose is compatible with your existing plumbing system. Some pumps are designed to work with specific types of pipes or water heaters. Check the manufacturer's specifications to confirm compatibility. If you have an older plumbing system or unique setup, you may need to consult with a professional to find a pump that will work seamlessly with your existing infrastructure.