10 Best Hot Water Recirculating Pump of September 2025

• WATTS RECIRCULATING HOT WATER PUMP: Provides hot water at every faucet or shower when needed, eliminating wasted water, 0.5 inches bypass value.
• BEST SELLING RECIRCULATING SYSTEM: Conserve up to 15,000 gallons of water per year. Save up to 10% of your water bill. It costs only $0.05 per day to operate.
• EASY INSTALLATION: Install in less than 1 hour. This unique product easily connects to existing plumbing and is maintenance-free.
• WATTS HOT WATER RECIRCULATING SYSTEM: The kit includes a pump with timer, 2 adapters with rubber washers, valve mounting screws, sensor valve, and two 12-inch supply lines.
• RECIRCULATING PUMP WITH TIMER: 24-hour programmable timer activates pump when you need it. No vibrations: it’s extremely quiet compared to other systems in the market. Do not use with tankless water heaters. Insert the 115V plug on the line cord from the pump into a properly grounded 115V outlet.

Watts Premier

• Retrofit solution- no return line required. Compatible with all Grundfos line cord products
• Can save up to 12,000 gallons of year in a typical household
• Includes timer, 10ft line cord, thermal bypass valve and hose kit
• Installs in less than two hours
• Battery back up to maintain settings if power is lost

Variety Home Supply

• Rated power: 93/67/46 W. NPT 3/4 inch (19.05 mm) inlet/outlet. Voltage/Frequency: 110-120V, 60Hz. Max pressure: 145 psi (10 bar),the circulation pump with three-speed control. Flow: 36/29/20 LPM (9.5/7.66/5.28 GPM). Max head: 6/4.9/4 m (20/16/13 ft);Pump housing: Aluminum. Impeller: Corrosion-resistant, composite, PES. Shaft: 45 # steel. Bearing: Carbon axia.
• Easy installation, only need a wrench to connect the pump to the pipeline, saving you the cost of plumbers; Instant hot water, waiting for 2-3 minutes in the past, now it takes only 15 seconds to get hot water.
• Prevent pipes from freezing in winter, especially for cold winter areas. In addition, if your pipes pass through the floor, the floor will also become warm.
• The circulation water pump features high efficiency with low consumption. High temperature resistance, anti-fraying, high flow and leak-tightness. Super silent, environmental friendly,saving energy, running power, reducing the waste of cold water and waiting time, suitable for water scarce areas, such as desert areas.
• KOLERFLO circulation water pump RS15-6 Used in Suitable for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm and so on.

KOLERFLO

• TLC = Timer, Line Cord, 6-Foot
• Flow range: 0 - 9 U.S. GPM, Head range: 0 - 6-Foot
• Motors: Single phase, 115V. Supply Voltage:115-120 VAC, 60 hertz, Contact Rating: 16 amps
• Connection: 3/4-Inch M by 3/4-Inch FNPT.Maintenance-free, low energy consumption, easy to install, quiet running
• The Grundfos circulator pumps, Series UP, are specifically designed for heating systems. The pumps are also suitable for circulation of hot domestic water and for circulation of liquid in cooling and air-conditioning systems

Grundfos

• Main Parameter - Power:93/67/46W; In/Outlet:3/4''NPT; Voltage:115V, 60Hz; Installation length:5.1inches; Liquid:32 - 230℉; Green
• NPT Standard VS Others BSP - 1/2" x 3/4" NPT, Lead-Free Brass fitting *2; The most useful & standard connector to prevent the leaks in hot water recirculating system.
• FEATURES & MATERIAL - Built-in high sensitive electronic sensors with three-speed control, designed for energy saving(≤1kW·h one day); Super silent, hardly feel it at work; Anti-fraying; Cast Iron Pump
• Flexible Application - Directly Used in hot water recirculating and industrial cooling system. Also a Wise Choice for DIY: Add a timer to be more energy saving. Add a bridge valve to be used in no return pipe system
• 2 Years Warranty

BACOENG

• Ceramic shaft and radial bearings
• Carbon axial bearing
• Stainless steel rotor can and bearing plate
• Corrosion-resistant impeller, Composite, PES
• Cast iron pump housing
• Water consumption: 155.0 gallons

Grundfos

• 1.Can be used directly in drinking water pipelines. The water taste of lubricating oil will disappear after 3 to 5 times of use. The shaft of pump should be kept horizontal after installation.
• 2.Max Working Pressure: 10bar(145PSI).Power Cord: 4.1ft. Liquid temperature range: 0℉ -+212℉
• 3.No leakage, low noise, environmental protection, aesthetics, ease of installation and so on.
• 4.Suitable for medium: Hot water and ethanol maximum ratio of 1:2. Not suitable for potable water.
• 5.Materials: Pump housing: Stainless Steel; Impeller: Corrosion-resistant, Composite, PES; Shaft: Ceramic;Bearing: Carbon axial. › See more product details

BOKYWOX

• 【MAIN PARAMETER】 - The hot water circulation pump features NPT 3/4 inch (19.05 mm) inlet/outlet. Voltage/Frequency: 110-120V, 60Hz. Rated power: 93/67/46 W. Max pressure: 145 psi (10 bar),the hot water circulation pump with three-speed control. Flow: 36/29/20 LPM (9.5/7.66/5.28 GPM). Max head: 6/4.9/4 m (20/16/13 ft);Pump housing: Aluminum. Impeller: Corrosion-resistant, composite, PES. Shaft: 45 # steel. Bearing: Carbon axia
• 【CONVENIENT】 - Easy installation, just need a wrench to connect the pump to the pipeline, saving you the cost of plumbers; Instant hot water, waiting for 2-3 minutes in the past, now it takes only 15 seconds to get hot water (the kitchen takes about 1 minute to get hot water due to low flow restriction)
• 【HUMANIZED DESIGN】 -Prevent pipes from freezing in winter, especially for cold winter areas. In addition, if your pipes pass through the floor, the floor will also become warm.
• 【ADVANTAGE】 - The hot water circulation pump features high efficiency with low consumption. High temperature resistance, anti-fraying, high flow and leak-tightness. Super silent, environmental friendly,saving energy, running power, reducing the waste of cold water and waiting time, suitable for water scarce areas, such as desert areas
• 【WIDE APPLICATION】 - Our hot water circulation pump RS15-6 is suitable for a wide range of applications, for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm and so on

Happybuy

• Power: 100/67/46W,Volt/Freq: 110-120v/60Hz.
• Outlet: 3/4"In,Max Head: 6.0m,Max Flow: 30L/min,Liquid temperature range: 0℉ -+212℉
• Pump housing: Aluminium; Impeller: PP; Motor wire: Copper; Shaft: Ceramic; Bearing: China.
• No leakage, low noise, environmental protection, aesthetics, ease of installation and so on.
• Suitable for city buildings, suburban villas, houses, water and pressurized with industrial equipment.

EXTRAUP

• Easy Installation: Designed to be installed on the backwater pipe to the water heater. Easy to install with the necessary accessories included. 10' power cord. Built-in thermostat. Maintenance-free.3/4" NPT.
• High Efficiency: Save gallons of water in waiting for water warm up each year. Up to 10% of your water bill will be saved. Instant hot water when you need it. No more water wasted in waiting.
• Smart Pump: Three modes can be chosen, energy-saving constant temperature mode, smart constant temperature mode and manual mode. bring you convenience and savings. Lead free grade copper body
• Water Circulation: When the water temperature in the pump is lower than 33 ℃, the pump will push the cold water back to the water heater. As the temperature hits 38 ℃, the pump will stop working. Energy saving constant temperature mode: If you don't use the hot water for some time, the pump will decrease the temperature setting point automatically.
• Advanced motor technology: Permanent magnet brushless motor DC motor with ultra-low safe voltage (24V) makes the pump more powerful, quieter and more durable. The shell is made of die-cast aluminium with high strength and anti-ageing. The pump head is made of lead-free grade copper material, durable and rust-free, protecting the health of your whole family.

HEATIT