Last updated on 05/08/2026
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Last updated on 05/08/2026
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10 Best Recirculating Pump For Water Heater of 2026

Best Value
2
9.5
Superb
APCOM UT1 Automatic Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters - Energy & Cost Efficient
A. O. Smith

APCOM UT1 Automatic Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters - Energy & Cost Efficient

Key Highlights
  • Instantly enjoy hot water access.
  • Reduces energy and water waste.
  • Easy installation without plumber needed.
Main Highlights
  • Instantly Experience Hot Water - Enjoy the comfort and convenience of hot water in your home without the wait.
  • Energy & Cost Efficient - The most energy efficient circulator on the market that reduces waste and costs associated with the consumption of water.
  • Fully Automatic Operation - This under sink recirculation system is controlled with a built-in thermostat and timer to conserve water. The pump typically runs three to four times per hour for one to two minutes.
  • For technical support or installation questions, contact (401) 785-3000. One Wrench Installation - Kit includes stainless steel pump, 2 braided hoses, 2 tees and all necessary fittings. Installs under sink in less than 10 minutes. Pump is designed for indoor installation. No plumber required.
  • Without Dedicated Return Line - Designed for single pipe system homes without an existing hot water return line and up to 250 ft of household piping. Works with standard hot water tank or indirect water heater. Electrical outlet required under sink.
9.5
Superb
Amazon Logo
3
9.4
Superb
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 Premier

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)

Key Highlights
  • Instant hot water availability.
  • Easy DIY installation process.
  • Significant water conservation benefits.
Main Highlights
  • INSTANT HOT WATER: The Watts Hot Water Recirculation System utilizes thermal bypass technology to instantly supply hot water in seconds at every faucet or shower when needed. The sensor valve opens when the water on the hot water side cools, pushes the cool water back to the water heater, and closes when hot water line hits 98°F. Not designed for tankless water heaters.
  • EASY DIY INSTALLATION: Operating on 120V, this quiet, efficient system easily installs into existing plumbing without the need for a return line or additional electricity under the sink, and once installed requires no maintenance. Includes everything you need for installation: heavy-duty stainless steel pump head in aluminum housing, 10 ft cord, 2 adapters with rubber washers, valve mounting screws, and two 12-inch supply lines.
  • WATER CONSERVATION: Your days of wasting time and water are over. With hot water available in 15 seconds, this convenient system can lead to significant water bill savings: up to 15,000 gallons per year.
  • CUSTOMIZABLE OPERATION: This pump includes a convenient built-in programmable timer that can be set to run for 24 hours a day or to activate only during peak use times. Its 24-hour dial features quarter-hour division tabs and AM/PM indications so you can easily set operation of the circulator according to your household's water usage patterns.
  • EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.
9.4
Superb
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4
9.3
Superb
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 Premier

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)

Key Highlights
  • Instant hot water at faucets.
  • Easy DIY installation process.
  • Significant water conservation savings.
Main Highlights
  • INSTANT HOT WATER: The Watts Hot Water Recirculation System utilizes thermal bypass technology to instantly supply hot water in seconds at every faucet or shower when needed. The sensor valve opens when the water on the hot water side cools, pushes the cool water back to the water heater, and closes when hot water line hits 98°F. Not designed for tankless water heaters.
  • EASY DIY INSTALLATION: Operating on 120V, this quiet, efficient system easily installs into existing plumbing without the need for a return line or additional electricity under the sink, and once installed requires no maintenance. Includes everything you need for installation: heavy-duty stainless steel pump head in aluminum housing, 10 ft cord, 2 adapters with rubber washers, valve mounting screws, and two 12-inch supply lines.
  • WATER CONSERVATION: Your days of wasting time and water are over. With hot water available in 15 seconds, this convenient system can lead to significant water bill savings: up to 15,000 gallons per year.
  • CUSTOMIZABLE OPERATION: This pump includes a convenient built-in programmable timer that can be set to run for 24 hours a day or to activate only during peak use times. Its 24-hour dial features quarter-hour division tabs and AM/PM indications so you can easily set operation of the circulator according to your household's water usage patterns.
  • EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything designed by Watts is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers.
9.3
Superb
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5
9.3
Superb
VERIWIS Instant Hot Water Recirculating Pump Kit for Tank Water Heater, Circulation Pump for House with 304 Stainless Steel Adjustable Bypass Valve and Timer, Replace 595916 0955805(3-Year Warranty)
VERIWIS

VERIWIS Instant Hot Water Recirculating Pump Kit for Tank Water Heater, Circulation Pump for House with 304 Stainless Steel Adjustable Bypass Valve and Timer, Replace 595916 0955805(3-Year Warranty)

Key Highlights
  • Instant hot water delivery.
  • Effortless DIY installation process.
  • Energy-saving and quiet operation.
Main Highlights
  • 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫: Save water, Save Money and upgrade your comfort now! The VERIWIS hot water recirculating pump kit instantly delivers hot water within 10 seconds using thermal bypass technology (no return line needed), recycling cooled water back to the tank water heater until reaching the temperature you need. The recirculation pump pays for itself within 2-3 years by through reduced water and heating costs.
  • 𝐄𝐟𝐟𝐨𝐫𝐭𝐥𝐞𝐬𝐬 𝐃𝐈𝐘 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 & 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐊𝐢𝐭 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝: Upgrade hot water system effortlessly using our quiet 120V hot water pump designed for seamless integration with standard plumbing. Packing Include: 1* circulation pump with 10 ft power cord, 2* heavy-duty supply lines, 1* 304 stainless steel adjustable sensor valve(79°F-122°F). No extra store runs needed - we've included all mounting hardware and detailed instructions for foolproof installation.
  • 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 𝐂𝐢𝐫𝐜𝐮𝐥𝐚𝐭𝐢𝐧𝐠 𝐏𝐮𝐦𝐩𝐬 𝐟𝐨𝐫 𝐇𝐨𝐮𝐬𝐞: Experience ultra-quiet, energy-saving performance with this easy-to-install hot water recirculating pump—featuring a programmable 24-hour timer for instant hot water during peak use (morning showers, dishwashing) and maintenance-free convenience on standard tank water heaters. Set the hot water circulation pump up, enjoy the instant hot water and forget it !
  • 𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐏𝐮𝐦𝐩 𝐒𝐲𝐬𝐭𝐞𝐦: Our recirculation pump delivers up to 8.4 GPM/16.7 FT for efficient larger-area performance, surpassing standard models. Featuring upgraded 304 stainless steel bypass valve(replacing plastic), It activates below set temperature range and deactivates above—saving energy and reducing wait times. Compatible with single and multiple loop system(multi-loop requires additional sensor valves)
  • 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫'𝐬 𝐀𝐩𝐩𝐫𝐨𝐯𝐚𝐥: VERIWIS: Very Wise Solutions, Always. The VERIWIS recirculating pump for water heater delivers innovative, durable performance with rigorous quality control, ensuring safe, efficient water access backed by world-class solutions and dedicated support. If you encounter any installation issues, such as thread compatibility or leaks, please contact our 24/7 Service Team first—VERIWIS will ensure your satisfaction. Upgrade your hot water system today!
9.3
Superb
Amazon Logo
6
9.1
Superb
Hot Water Recirculating Pump Kit for Tank Water Heaters – Programmable Timer, Two Upgraded Brass Bypass Sensor Valves, 4-Line Configuration, Easy DIY Installation 0955805,595916
Tpcy -c

Hot Water Recirculating Pump Kit for Tank Water Heaters – Programmable Timer, Two Upgraded Brass Bypass Sensor Valves, 4-Line Configuration, Easy DIY Installation 0955805,595916

Key Highlights
  • Instant hot water availability.
  • Energy savings with timer.
  • Easy installation for everyone.
Main Highlights
  • Ideal For:Homeowners looking to eliminate the wait for hot water, reduce water waste, and lower utility bills through a reliable, timer-controlled system built with heavy-duty brass components.
  • Instant Convenience: Get hot water fast at your faucet or shower – no more waiting
  • Energy Efficient: Features a Programmable Timer to run the pump only when you need hot water (e.g., mornings & evenings), minimizing standby heat loss and saving energy.
  • Easy Setup: Complete kit includes everything needed for installation (pump,Two brass bypass valve, ). Designed for DIYers or professional plumbers.
  • OUR SERVICE: We also pride 24-hour response support. Experience warmth and sustainability with Crispaire’s reliable solutions.
9.1
Superb
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7
8.9
Excellent
Upgraded Instant Hot Water Recirculation Pump Replacement Kit for watts 0955805 and grundfos 595916, with Programmable Timer – 2 Brass Sensor Valves (595926), 4 Supply Lines, 4 Adapters
TheMiLiO

Upgraded Instant Hot Water Recirculation Pump Replacement Kit for watts 0955805 and grundfos 595916, with Programmable Timer – 2 Brass Sensor Valves (595926), 4 Supply Lines, 4 Adapters

Key Highlights
  • Instant hot water at faucets.
  • Efficient and easy installation process.
  • Saves water and reduces waste.
Main Highlights
  • UPGRADED 0955805/595916 INSTANT HOT WATER ACCESS:Delivers hot water in seconds to faucets and showers via 2 upgraded premium brass 595926 sensor valves (from 2 sets of WP596816 kits) with electrophoretic coating. Each valve activates when hot water lines cool, pushes cool water back to the water heater, and closes at 98°F for on-demand convenience. This system, now with 2 sets of WP596816 kits (1 additional set vs. standard models), ensures faster hot water distribution across more fixtures. Not designed for tankless water heaters. Critical Setup Note: Read the installation manual before setup to avoid issues & ensure smooth operation.
  • EASY DIY INSTALLATION WITH COMPLETE COMPONENTS:Operating on 120V, this quiet, efficient system installs easily into existing plumbing without a return line or extra under-sink electricity. Once installed, it requires no maintenance. Includes everything needed for full setup: stainless steel recirculation pump, 2 sets of WP596816 sensor valve kits (each set contains 1 premium brass 595926 sensor valve, 2 12-inch supply lines, 2 1/2"x3/8" adapters), 10 ft cord, valve mounting screws, and rubber washers. The added WP596816 kit brings total components to 2 sensor valves, 4 supply lines, and 4 adapters, matching the upgraded package.
  • ENHANCED WATER CONSERVATION WITH DUAL VALVE EFFICIENCY:Your days of wasting time and water are over. With 2 sets of WP596816 kits, the system accelerates hot water delivery to 15 seconds, cutting cold water runoff and saving up to 15,000 gallons yearly. The dual sensor valves work in parallel to optimize circulation, reducing wait times and boosting water bill savings for larger homes or multiple fixtures.
  • CUSTOMIZABLE PROGRAMMABLE TIMER FOR FLEXIBLE OPERATION:This pump includes a built-in programmable timer that runs 24 hours a day or activates during peak use times. Its 24-hour dial with quarter-hour tabs and AM/PM indications lets you sync operation with the dual valve setup, ensuring efficient hot water delivery when your household needs it most.
  • 0955805/595916 COMPLETE SYSTEM DESIGN FOR TANK WATER HEATERS:Engineered as a replacement for Watts systems, this upgraded system features 2 sets of WP596816 sensor valve kits (1 additional set for enhanced performance). Each kit includes 1 premium brass 595926 sensor valve, 2 supply lines, and 2 adapters, totaling 2 valves, 4 lines, and 4 adapters for reliable, long-term hot water delivery. Ideal for residential tank water heaters, the dual kit design ensures safe, efficient operation across more plumbing fixtures.
8.9
Excellent
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8
8.8
Excellent
Save 5%
Instant Hot Water Recirculating Pump Kit with Built-in Timer – Compatible with Watts 0955805 & Grundfos 595916 Systems, Includes 2 Brass Sensor Valves (595926), 4 Supply Lines, and 4 Adapters
Egmiku

Instant Hot Water Recirculating Pump Kit with Built-in Timer – Compatible with Watts 0955805 & Grundfos 595916 Systems, Includes 2 Brass Sensor Valves (595926), 4 Supply Lines, and 4 Adapters

5% Off
Key Highlights
  • Instant hot water at faucets.
  • Easy DIY installation process.
  • Significant water and energy savings.
Main Highlights
  • INSTANT HOT WATER DELIVERY:The hot water recirculating pump kit ensures immediate hot water at your faucets, reducing wait times from 2-3 minutes to just 15 seconds. It works with two upgraded brass sensor valves (595926) that activate when the water cools, pushing cold water back to the heater and shutting off at 98°F. No more wasting water while waiting for hot water to arrive
  • EASY DIY INSTALLATION:Complete with 4 supply lines, 4 adapters, and a user manual, this kit installs effortlessly without needing extra parts. It connects to existing pipes with 3/4-inch NPT fittings (M/FNPT) and requires no return line or additional plumbing. The 110V power supply and quiet operation make it a hassle-free upgrade for any home
  • ENERGY-EFFICIENT & LOW MAINTENANCE:Designed for durability with a cast iron pump head, this hot water recirculating pump operates quietly (≈25dB) and consumes minimal energy. It’s maintenance-free and built to last, offering long-term reliability for residential or industrial use. The built-in programmable timer lets you set daily or peak-hour operation for optimized efficiency
  • VERSATILE COMPATIBILITY:This hot water recirculating pump kit provides quick hot water delivery to all fixtures. It is compatible with Watts 0955805 and Grundfos 595916 models. Designed for residential use, it works seamlessly with tankless water heaters, storage heaters, solar systems, and HVAC applications
  • SIGNIFICANT WATER SAVINGS:By eliminating wasted water, this system saves up to 15,000 gallons annually. The sensor valves and pump work together to recirculate water efficiently, reducing energy costs and environmental impact. Enjoy instant hot water while conserving resources—a smart solution for modern homes
8.8
Excellent
Save 5%
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9
8.7
Excellent
Save 5%
WASSERMANN 115V 50W Smart ECM Circulator Pump with 3 Control Modes, High Efficiency Circulator Pump for Tank Water Heaters/Domestic Hot Water Recirculating System, 1" 3/4" 1/2"NPT Adapter
wassermann

WASSERMANN 115V 50W Smart ECM Circulator Pump with 3 Control Modes, High Efficiency Circulator Pump for Tank Water Heaters/Domestic Hot Water Recirculating System, 1" 3/4" 1/2"NPT Adapter

5% Off
Key Highlights
  • Quiet operation with low noise.
  • Stainless steel head resists rust.
  • Intelligent digital control display.
Main Highlights
  • Specification:Voltage: 115V quiet operation ECM Circulator Pump, Max Pressure (PSI): 145, Max Flow (GPM): 13.2, Max Head (Ft): 18.7, Hertz: 60, Max Temp (F): 230°F.The circulating pump is equipped with an EMC permanent magnet motor, which operates with low noise and high efficiency
  • Premium Stainless Steel Pump Head: The pump head of the ECM circulator pump is made of durable stainless steel, which can resist rust and corrosion even after long-term use. It can reliably withstand liquid temperatures up to 230°F, ambient temperatures of 104°F, and pressures up to 145 PSI, ensuring lasting performance in demanding environments
  • Intelligent Control:The Digital Screen enables you to visually monitor the current operating status, flow rate, power consumption and mode of the water pump. A setting button allows you to easily adjust among the three performance modes - C1, C2, and C3 - to optimize overall performance, enhance user comfort, and reduce energy consumption. The factory preset mode is C3
  • Easy Installation: This ECM Circulator Pump comes with all necessary components, including NPT 1" to 1/2", 1" to 3/4" adapters, 2 gaskets and 2 nuts. All you require is a wrench to connect the Recirculating Pump to your pipeline, saving you time and extra costs.9.8FT three-prong plug, can be used directly by inserting it into a household socket
  • This ECM circulator pump is highly versatile and suitable for various scenarios, including domestic hot water circulation, water heater system, residential tank water heaters and more
8.7
Excellent
Save 5%
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10
8.7
Excellent
Crispaire Instant Hot Water Recirculating Pump Kit with 304 Stainless Steel Bypass Valve for Tank Water Heaters Includes All Installation Components, And 20-Inch PEX Supply Lines for Potable Water
Crispaire

Crispaire Instant Hot Water Recirculating Pump Kit with 304 Stainless Steel Bypass Valve for Tank Water Heaters Includes All Installation Components, And 20-Inch PEX Supply Lines for Potable Water

Key Highlights
  • Fast hot water delivery.
  • Easy installation included.
  • Smart timer control.
Main Highlights
  • NOTE: Tankless water heaters are not compatible
  • Instant Hot Water: Ensures hot water at every faucet within seconds, eliminating long waits and wasted water, using thermal bypass technology without requiring a return line or under-sink outlet
  • Easy Installation: Comes with all necessary components, including adapters, Teflon tape and upgraded 20-inch PEX supply lines, ensuring a straightforward setup without additional trips to the hardware store
  • Durable 304 Stainless Steel Bypass Valve: Upgraded from plastic to withstand high temperatures, it opens to push cool water back to the heater when the hot water line cools below 104°F, further reducing wait times; compatible with single-loop systems; additional sensor valve kits required for multiple loops (sold separately)
  • Potable Water Supply Lines: Includes two 20-inch supply lines with 3/8" Comp x 1/2" FIP, featuring a non-toxic, lead-free PEX inner tube and anti-burst 304 stainless steel braid, ensuring safe drinking water delivery without unpleasant odors or chemicals commonly found in cheaper EPDM hoses
  • Smart Timer Control: Programmable to automatically activate before morning showers or dishwashing, operates quietly and mounts directly onto standard indoor tank water heaters for residential use
8.7
Excellent
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