If you're looking for a way to efficiently heat your water without wasting energy, a recirculating pump for tankless water heaters might be just what you need. These pumps work by constantly circulating hot water through your pipes and back to the heater, ensuring that the water stays hot and ready to use, without the need for constant reheating or wasted water.
Before buying a recirculating pump, there are a few factors you'll want to consider. First and foremost, you'll need to make sure that your tankless water heater is compatible with a recirculating pump. Not all models are, so it's important to do your research and double-check before making a purchase. You'll also need to think about the size of your home and the water demands of your household, as larger homes with more occupants may require more powerful pumps.
If you're still on the fence about whether a recirculating pump is right for you, ask yourself some questions to help you make your decision. Are you tired of waiting for hot water to reach your faucet or shower? Do you want to save money on your energy bill and reduce water waste? Are you looking for a more eco-friendly way to heat your water? If you answered yes to any of these questions, a recirculating pump might be the solution you've been looking for.
10 Best Recirculating Pump For Tankless Water Heater
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The product is ideal for providing instant hot water recirculation for tankless water heaters.
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The product is ideal for recirculating hot water quickly and efficiently throughout the home.
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The product is ideal for providing instant hot water in homes and buildings, while saving on water and energy costs.
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The product is ideal for recirculating models of tankless water heaters to improve efficiency and reduce wait time for hot water.
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The product is ideal for circulating hot water in residential and commercial buildings, improving water efficiency and reducing wait time.
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The recirculating pump system is ideal for providing instant hot water at multiple fixtures in residential or commercial buildings.
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The product is ideal for providing energy-saving instant hot water circulation in both tanked and tankless water heating systems.
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It is ideal for connecting a water heater to a plumbing system with flexibility and a built-in shut-off valve.
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This product is ideal for circulating water in a water heater system.
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This product is ideal for recirculating water in electric water heater systems with a flow rate of 9.5 Gpm.
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1. Apcom Tv1 Instant Hot Water Recirculating Pump For Tankless Water Heaters
Experience the luxury of instant hot water with this efficient recirculation system. It provides hot water instantly to any water source in your home, so you don't have to wait for the water to heat up. This system is perfect for those who want the convenience of hot water without the hassle.
This system is also cost and energy-efficient. It is the most energy-efficient circulator on the market, which helps to reduce waste and save money. The built-in programmable timer ensures that the system operates automatically, further saving you time, money, and energy.
The installation of this system is easy and can be done as a DIY project. The kit includes a stainless steel pump with a built-in programmable timer, a braided hose, a stainless/brass bypass valve, a tee, and all necessary fittings. The pump is installed at the water heater, and the large bypass valve is installed under the sink on the cold water line. However, professional installation is recommended by a certified plumbing contractor if the water line needs to be cut for pump installation. Please note that this pump is designed for indoor installation only.
This system is perfect for homes without a dedicated return line. It installs at the water heater and is designed for use with indoor tankless water heaters only. If you have any technical support or installation questions, you can contact the manufacturer at (401) 785-3000.
- Provides instant hot water to any water source in your home
- Energy and cost-efficient, reducing waste and saving money
- Fully automatic operation with built-in programmable timer
- Easy DIY installation with all necessary fittings included
- Perfect for homes without a dedicated return line
- – Professional installation recommended if water line needs to be cut for pump installation
- – Designed for indoor installation only
2. Prozrted Smart Instant Hot Water Recirculating Pump System 3 Speed With Bulit-In Thermostat Hbs24-12
Upgrade your home's hot water system with the Smart Pump. This advanced high speed recirculating pump features three modes to ensure instant hot water is always available while saving energy. In Smart mode, the pump maintains hot water availability at all times. Energy-saving mode reduces temperature settings when the pump is not in use, while Manual mode is the most energy-efficient option, allowing users to start the pump only a few minutes before needing hot water.
The Smart Pump is compatible with both tankless and tanked water heaters and comes with a super energy-saving application recommendation. Set the pump in Manual mode and start it using the remote control's middle button. The water will reach the set temperature in a few minutes, and the pump will shut off after 60 minutes, saving gas and water. The pump also features a Smart memory function, allowing it to remember the last settings when powered off. The pump is designed to be installed under the farthest faucet from the water heater in each loop, and its advanced digital permanent magnet brushless 24v DC motor makes it maintenance-free, safe, and durable.
The Smart Pump boasts a lead-free grade copper pump body and connectors and is NSF certified, making it safe for drinking water. It features a built-in check valve and two high-accurate temperature sensors to protect pipes from freezing and make installation easier. The pump comes with a 10 ft cord and easy installation instructions, and its super-quiet operation ensures that you almost can't hear it running.
With the Smart Pump, users can save up to 10% on their water bills and enjoy longer-lasting water heaters. The pump's default temperature is 38 ℃ off and 33 ℃ on, and it can be controlled using a remote controller that is sold separately. The pump comes with a 2-year limited warranty and a satisfactory solution guarantee. If you are not completely satisfied with the product, the customer service team is available to assist you.
- Three energy-saving modes to ensure hot water availability while saving energy.
- Compatible with tankless and tanked water heaters.
- Super energy-saving application recommendation.
- Smart memory function remembers last settings.
- Advanced high speed recirculating pump with digital permanent magnet brushless 24v DC motor.
- Lead-free grade copper pump body and connectors, NSF certified.
- Built-in check valve and high-accurate temperature sensors.
- Easy to install with 10 ft cord.
- Super-quiet operation.
- Saves up to 10% on water bills and extends water heater life.
- 2-year limited warranty and satisfactory solution guarantee.
- – Remote controller sold separately.
3. Watts Premier Instant Hot Water Recirculating Pump System With Built-In Timer 6" X 6"
This hot water recirculating pump kit from [Brand] includes everything you need to bring hot water instantly to every faucet and shower in your home. The kit comes with a pump, a 10-foot cord, 2 adapters with rubber washers, valve mounting screws, a sensor valve, and two 12-inch supply lines.
With a voltage of 120 volts and an item weight of 8.5 pounds, this hot water recirculating pump kit has an overall dimension of 6.2 x 6 x 5 inches. It provides hot water at every faucet or shower when needed and helps eliminate wasted water, making it an energy-efficient and eco-friendly addition to any home.
This hot water recirculating pump kit is easy to install to existing plumbing and is maintenance-free. The 24-hour programmable timer activates the pump when you need it, ensuring that you always have hot water on demand.
Upgrade your home's plumbing system with this hot water recirculating pump kit from [Brand] and enjoy the convenience of hot water at every faucet and shower in your home!
- Comes with everything needed for installation
- Provides hot water at every faucet or shower
- Energy-efficient and eco-friendly
- Easy to install and maintenance-free
- 24-hour programmable timer ensures hot water on demand
- – May not be compatible with all plumbing systems
4. Hot Water Recirculating Pump By Bokywox
The 110V/60Hz voltage and 93/67/46W power of this pump make it suitable for heating systems and supplying water to mansions, villas, houses, and industrial equipment. It can also be used for circulating water for air conditioning, boilers, and solar energy. The pump has a maximum flow of 36/29/20 L/min (9.5/7.66/5.28GPM) and a maximum head of 20/16/13FT (6/5/4M), with an NPT 3/4'' inlet/outlet. The pump head is made of stainless steel, the motor shell is made of aluminum, the impeller is made of PE, and the bearings are ceramic. The pump is treated with special anti-rust and high-temperature resistant materials, making it long-lasting, corrosion-resistant, and anti-fraying. It is also leak-free, low-noise, environmentally friendly, and easy to install. However, the pump cannot be used for dangerous liquids containing solid particles, fiber, or oil stains. Explosive, mucous, or corrosive liquids are also prohibited. The fluid temperature range is between 0-100℃ (0-212℉), and the maximum ambient temperature it can handle is up to 40℃ (104℉).
- Suitable for heating systems and supplying water to various buildings and industrial equipment
- High maximum flow and head
- Made of high-quality materials
- Treated with special anti-rust and high-temperature resistant materials
- Long-lasting and leak-free
- Low noise and easy to install
- – Cannot be used for dangerous liquids containing solid particles, fiber, or oil stains
- – Prohibited for use with explosive, mucous, or corrosive liquids
- – Limited fluid temperature range and maximum ambient temperature
5. Smart Recirculating Pump With Instant Hot Water
The HBS24-12A hot water recirculating pump is the perfect solution for those who want instant hot water without wasting time and water. This pump is designed to be installed on the backwater pipe to the water heater and comes with a 10 ft cord for easy installation. The pump has three modes available: Smart constant temperature mode, Energy-saving constant temperature mode, and Manual mode. The Smart constant temperature mode ensures that instant hot water is always available while the Energy-saving constant temperature mode decreases the temperature setting point automatically if the hot water is not used for some time. The Manual mode is the most energy-saving mode, and the pump only needs to be started a few minutes before the hot water is required. The pump has a Smart memory function that can remember the last settings when it was powered off. There are three running speeds and the pump can work well with a smart plug. The built-in thermostat ensures that the pump is maintenance-free and NSF certified, making it safe for drinking water. The pump can work with both tankless and tanked water heaters, and the maximum liquid temperature is 158 ℉(70℃). The pump is super energy-saving in manual mode and can save up to 10% of your water bill. The pump has an advanced high speed recirculating pump with high flow and high lift. The Advanced permanent magnet brushless 24v DC motor makes the pump more safe, powerful, and durable. The pump is super quiet, and you almost can’t hear the pump running voice. The pump has a built-in check valve and a default temperature of 38 ℃ off and 33 ℃ on, and it will push the cold water back to the water heater when the water temperature in the pump is below 33 ℃ (91.4F). The pump will shut off automatically when the temperature hits 38 ℃(100.4F). The pump has two advanced built-in high accurate temperature sensors, one to measure the pipe water temperature and the other to measure pump ambient air temperature. The pump comes with a 2-year limited warranty with a satisfactory solution if the customer is not completely satisfied with the product. To ensure that there is no water leaking, the customer must make sure that the plastic washers are not damaged and are installed correctly.
- Smart memory function remembers the last settings when it was powered off
- Built-in thermostat ensures that the pump is maintenance-free
- NSF certified, making it safe for drinking water
- Can work with both tankless and tanked water heaters
- Super energy-saving in manual mode and can save up to 10% of your water bill
- Advanced permanent magnet brushless 24v DC motor makes the pump more safe, powerful, and durable
- Super quiet pump and you almost can’t hear the pump running voice
- Built-in check valve and a default temperature of 38 ℃ off and 33 ℃ on
- Two advanced built-in high accurate temperature sensors
- 2-year limited warranty with a satisfactory solution
- – Remote controller is not included in this package and needs to be purchased separately
6. Smart Hot Water Pump For Tankless Heaters
Upgrade your hot water experience with the PROZRTED faucet control recirculating pump. This pump is designed to work with different types of water heaters such as tankless and tanked. With a simple activation of the hot water faucet for 2 seconds, the instant hot water will be available in a few minutes. The pump is super easy to use and energy-saving, making it a must-have in every household. The HBS24-12Z pump is NSF certified and made of lead-free copper, making it safe for drinking water. It is also maintenance-free and has a 1/2" NPT with a 10 ft cord, making it easy to install.
This high-tech pump is built with a highly accurate water flow sensor and two thermostats. One thermostat measures the pipe water temperature, while the other measures the pump ambient air temperature. It also has a high flow and high lift smart pump with a digital permanent magnet brushless 24v DC motor, ensuring high-speed circulation. The pump is super quiet, safe, and has three modes available: Smart mode, Energy-saving mode, and Manual mode. The Smart mode ensures instant hot water is always available, while the Energy-saving mode decreases the temperature set point automatically if you don't use hot water for some time. The Manual mode is the most energy-saving mode, where you only start the pump a few minutes before needing the hot water.
The pump has three running speeds and a smart memory function, which remembers the last settings when it was powered off. It also works well with a smart plug. For super energy-saving application, set the pump in "manual mode," start the pump by turning on the faucet for two seconds, and the pipe water will reach the set temperature in a few minutes, and then the pump will shut off. This will care for your water heater, ensuring a longer lifespan with no more frequent starts. The pump has a high flow (6.1GPM/366GPH max) and high lift (39.3ft max), and it only takes a few minutes from turning on the pump until the hot water in the pipe reaches the set temperature.
The pump has a built-in check valve, and the default temperature is 38 ℃ off and 33 ℃ on. When the water temperature in the pump is below 33 ℃ (91.4F), the pump will push the cold water back to the water heater. As the temperature hits 38 ℃(100.4F), the pump will shut off automatically. A remote controller was used to set higher or lower water temperatures (From 32 to 42 ℃ ), but it is not included in this package.
If you have any issues with the product, please feel free to contact the customer service team.
- Easy to use and super energy saving
- Works with different water heaters such as tankless and tanked
- High-tech and highly accurate built-in water flow sensor and two built-in thermostats
- Has a high flow and high lift smart pump with digital permanent magnet brushless 24v DC motor
- Has three modes available: Smart mode, Energy-saving mode, and Manual mode
- Has a smart memory function that remembers the last settings when it was powered off
- Maintenance-free and NSF certified
- Made of lead-free copper and safe for drinking water
- Has a built-in check valve
- Comes with a 10 ft cord and is easy to install
- Has a high flow (6.1GPM/366GPH max) and high lift (39.3ft max)
- – The remote controller is not included in the package
7. Flexi-Stainless Water Heater Connector With Ball Valve
The high-quality water heater hose is an essential component for any water heating system, designed to ensure a safe and reliable connection between the water heater and the pipes. The hose is made of non-toxic PVC core, which is reinforced with multi-filament braided nylon and a clear vinyl outer shell. The exterior of the hose is covered by grade 304 stainless steel braid, which prevents kinking and crimping.
This water heater hose is designed to work with copper, CPVC, and PEX pipes, making it a versatile option for different types of plumbing systems. With a maximum burst pressure of 200 PSI and a maximum working temperature of 221 F (105 C), this water heater hose is built to last and withstand high-pressure applications.
The water heater hose is UPC and CSA approved and complies with Lead-Free law, ensuring that it is safe to use in residential and commercial applications. The hose is 24 inches long and features a 3/4 in. female iron pipe inlet and a 3/4 in. push-fit ball valve outlet, making it easy to connect to the water heater and the pipes.
Installation of this water heater hose is a breeze, thanks to the flexible stainless-steel braid that allows for easy installation in tight spaces. The included shutoff valve makes installation and maintenance hassle-free, giving you peace of mind knowing that you can easily turn off the water supply whenever necessary.
- Made of high-quality materials for durability and reliability
- Designed to prevent kinking and crimping
- Works with different types of pipes
- Complies with safety regulations and Lead-Free law
- Easy to install in tight spaces with included shutoff valve
8. Green Pump For Efficient Water Heating
The KOLERFLO Circulation Water Pump RS15-6 is a powerful and efficient pump that is designed to provide instant hot water to your home. It has a rated power of 93/67/46 W and comes with a NPT 3/4 inch (19.05 mm) inlet/outlet for easy installation. The pump operates at a voltage/frequency of 110-120V, 60Hz and has a maximum pressure of 145 psi (10 bar), making it suitable for use in a variety of settings.
The circulation pump features a three-speed control that allows you to adjust the flow rate to suit your needs. It has a flow rate of 36/29/20 LPM (9.5/7.66/5.28 GPM) and a maximum head of 6/4.9/4 m (20/16/13 ft). The pump housing is made of durable aluminum, while the impeller is made of a corrosion-resistant, composite material called PES. The shaft is made of 45 # steel, and the bearing is a carbon axia.
One of the key benefits of the KOLERFLO Circulation Water Pump RS15-6 is its ease of installation. You only need a wrench to connect the pump to the pipeline, which can save you the cost of hiring a plumber. The pump also provides instant hot water, eliminating the need to wait for 2-3 minutes like traditional water heaters. With this pump, you can get hot water in just 15 seconds.
The KOLERFLO Circulation Water Pump RS15-6 is also designed to prevent pipes from freezing in the winter. This is particularly useful for people living in cold winter areas. Additionally, if your pipes pass through the floor, the floor will also become warm, providing extra comfort and warmth in your home.
Another benefit of this circulation water pump is its high efficiency with low consumption. It is highly temperature-resistant, anti-fraying, and leak-tight, making it a reliable and durable choice for your home. The pump is also super silent and environmentally friendly, saving energy and reducing the waste of cold water. It is particularly suitable for water-scarce areas, such as desert areas.
Overall, the KOLERFLO Circulation Water Pump RS15-6 is a versatile and efficient pump that can be used in a variety of settings. It is suitable for city buildings, suburban villas, houses, and can be used to pressurize industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm, and more.
- Easy to install with only a wrench needed for connection
- Provides instant hot water, eliminating the need to wait
- Prevents pipes from freezing in the winter
- Highly efficient with low consumption
- Super silent and environmentally friendly
- Suitable for a variety of settings
9. Electric Water Circulation Pump With Brass Fittings.
The hot water circulation pump RS15-6 is a highly efficient and low-consumption device that can provide instant hot water to your home. With NPT 3/4 inch inlet/outlet, the pump has a voltage/frequency of 110-120V, 60Hz, and a rated power of 93/67/46 W. It has a maximum pressure of 145 psi (10 bar) and comes with three-speed control to adjust the flow rate according to your needs. The pump has a flow rate of 36/29/20 LPM (9.5/7.66/5.28 GPM) and a maximum head of 6/4.9/4 m (20/16/13 ft).
Made of high-quality materials, the pump housing is made of durable aluminum, while the impeller is made of corrosion-resistant, composite PES. The shaft is made of 45 # steel, and the bearing is made of carbon axia, ensuring a long service life.
The hot water circulation pump is easy to install and can be connected to the pipeline with just a wrench, eliminating the need for a plumber and saving you money. It also provides instant hot water, reducing waiting time from 2-3 minutes to just 15 seconds (kitchen takes approximately 1 minute due to low flow restriction).
The hot water circulation pump is designed to prevent pipes from freezing in the winter, making it ideal for cold winter areas. Additionally, if your pipes pass through the floor, the floor will also become warm, providing extra comfort.
The pump is super silent and environmentally friendly, saving energy and reducing the waste of cold water. It is suitable for water-scarce areas, such as desert areas, and can be used in a wide range of applications, including city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm, and more.
- Provides instant hot water, reducing waiting time
- Easy to install, saving money on plumber costs
- Designed to prevent pipes from freezing in winter
- Super silent and environmentally friendly, saving energy
- Suitable for a wide range of applications
- – May not be suitable for areas with high water pressure
Best Recirculating Pump For Tankless Water Heater FAQs
Are there any drawbacks or potential issues to consider when using a recirculating pump with a tankless water heater?
Yes, there are some drawbacks and potential issues to consider when using a recirculating pump with a tankless water heater. One of the main concerns is energy efficiency. Recirculating pumps can consume a significant amount of energy, especially if they are left running continuously. This can offset the energy savings provided by the tankless water heater, resulting in higher energy bills.
Another issue to consider is the potential for water contamination. If the recirculating pump is not properly maintained, it can lead to the buildup of bacteria and other harmful substances in the water. This can pose a health risk to people who use the water for drinking or bathing.
In addition, using a recirculating pump with a tankless water heater can also lead to a shorter lifespan for the equipment. The constant cycling of water through the system can cause wear and tear on the components, leading to premature failure.
Overall, while a recirculating pump can offer convenience and comfort, it is important to carefully consider the potential drawbacks and issues before installing one with a tankless water heater. It is important to weigh the benefits against the costs and potential risks to ensure that the system is safe, efficient, and cost-effective in the long run.
Can any recirculating pump be used with a tankless water heater, or are there specific models that are compatible?
Recirculating pumps are an essential component of any hot water system, and they help to ensure that hot water is available on demand. However, when it comes to using a recirculating pump with a tankless water heater, there are a few things to keep in mind.
Firstly, not all recirculating pumps are compatible with tankless water heaters. Tankless water heaters have specific flow rate requirements, and if the recirculating pump is not able to meet those requirements, it may not work effectively. Therefore, it is important to choose a pump that is designed specifically for use with a tankless water heater.
Secondly, it is important to ensure that the recirculating pump is installed correctly. The pump should be installed on the hot water supply line, and a check valve should be installed to prevent hot water from flowing back into the cold water line.
In conclusion, while not all recirculating pumps are compatible with tankless water heaters, there are models available that are specifically designed for this purpose. It is important to choose the right pump and ensure that it is installed correctly to ensure optimal performance.
How does a recirculating pump work with a tankless water heater?
A recirculating pump is a plumbing device that helps to maintain a continuous flow of hot water throughout the plumbing system. When used with a tankless water heater, the recirculating pump circulates hot water through the pipes, keeping the water hot and ready for use at any time.
The process of how a recirculating pump works with a tankless water heater is fairly simple. The pump is installed at the water heater and connected to the hot water supply line. When hot water is needed at a faucet or fixture, the pump activates and circulates hot water through the pipes, bringing hot water to the fixture quickly and efficiently.
One of the benefits of using a recirculating pump with a tankless water heater is that it reduces the amount of water wasted waiting for hot water to reach the fixture. This can save homeowners money on their water bill and reduce their environmental impact. Additionally, the constant circulation of hot water helps to prevent the growth of bacteria in the pipes, which can reduce the risk of illness.
In conclusion, the use of a recirculating pump with a tankless water heater can help provide a constant flow of hot water while also saving water and reducing the risk of bacterial growth in the pipes.
How much does it typically cost to install a recirculating pump for a tankless water heater, and is it worth the investment?
The cost of installing a recirculating pump for a tankless water heater can vary depending on several factors such as the type of pump, the location of the heater, and the complexity of the installation process. On average, the cost can range from $500 to $1000.
However, the investment in a recirculating pump can be worth it for those who want to save time and water. The pump circulates hot water from the heater to the fixtures, so there's no need to wait for hot water to flow through the pipes. This can save a significant amount of time and water, which is especially beneficial for larger households.
Additionally, recirculating pumps can also help to reduce energy costs by minimizing the amount of time the heater needs to run to provide hot water. This means that the initial investment in a recirculating pump can be offset by long-term savings on energy bills.
Overall, installing a recirculating pump for a tankless water heater can be a worthwhile investment for those who value convenience, water conservation, and energy efficiency.
What are the benefits of installing a recirculating pump with a tankless water heater?
Installing a recirculating pump with a tankless water heater can provide numerous benefits that can enhance the overall efficiency of a home's hot water system. One of the primary advantages of using a recirculating pump is that it helps to eliminate the wait time for hot water in the shower or at the sink, saving time and water. This is because the pump continuously circulates the hot water through the pipes, ensuring that hot water is readily available whenever it is needed.
Another benefit of installing a recirculating pump with a tankless water heater is that it can help to save energy and reduce utility bills. Since the water is already hot and circulating through the pipes, the tankless water heater doesn't need to work as hard to heat up cold water, which can lead to significant energy savings. Additionally, the constant circulation of hot water can help to reduce the amount of energy that is needed to maintain a consistent water temperature in the home.
Lastly, a recirculating pump can help to prolong the life of a tankless water heater by preventing mineral buildup and corrosion. This is because the constant circulation of hot water through the pipes helps to keep the system clean and free of debris, ensuring that it operates at peak efficiency for years to come. Overall, installing a recirculating pump with a tankless water heater can provide numerous benefits that can improve the overall comfort, convenience, and efficiency of a home's hot water system.