7 Best circulator pump for radiant heat [2022]

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1. Grundfos UPS15-58FC Circulator Pump, Red

  • Cast Iron Pump
  • 1/25 HP, Flow: 0-17 GPM, Head Range: 0-19. 5 Ft.
  • Max System Pressure: 145 PSI
  • UL/CSA Listed, Includes Rubber Gaskets
  • Temperature Range: 36-230° F

2. BACOENG 3/4 inch NPT Hot Water Circulation Pump for Floor Heating & Recirculating System w/ Connectors

  • 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

3. KOLERFLO 3/4 Inch Hot Water Circulating Pump 3-Speed Circulation Water Pump for Solar Heater System(RS15-6 Red)

  • 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.

4. Happybuy RS15-6 Hot Water Recirculating Pump 110V Circulation Pump 3/4-Inch NPT 3-speed Recirculation Pump 9.5 Gpm for Water Heater System

  • 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

5. Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check

  • Casing O-Ring: 008-005RP – Flange Gasket Set: 007-007RP
  • Capacitor or PC Board: 007-002RP – Cartridge Assembly Complete: 007-042RP
  • Standard High Capacity Output Compact Design – Quiet, Efficient Operation
  • Unique Replaceable Cartridge Design-Field Serviceable – Direct Drive-Low Power Consumption
  • This product runs using a 0.04 (1/25) horsepower motor

6. Taco 007-F5 Cast Iron Circulator, 1/25 HP Pump with Universal Pump Flange Gaskets and Wire Gland, Green

  • Flow: 0-23 GPM, Head: 0-10 Ft.
  • Taco 007-F5 1/25 HP Pump, Max Pressure: 125 PSI
  • Cast Iron, Quiet Efficient Operation
  • Includes Universal Pump Flange Gasket (Set of 2)
  • Includes Wire Gland

7. Taco 0010-F3 Cast Iron Cartridge Circulator-0010 Series, 115 V, Green

  • Item Weight: 10.0 lb
  • Country of Origin: United States
  • Brand name: Taco
  • Item Dimensions: 8.0″L x 7.0″W x 5.0″H

8. Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small

  • Ceramic shaft and radical bearings
  • Carbon axial bearing
  • Stainless steel rotor can and bearing plate
  • Corrosion-resistant impeller
  • Cast iron pump housing

9. AB WiseWater Circulation Pump, Hot Water Recirculating Pump, 3 Speed Switchable Circulator Pump with 1” Threaded Flanges for Hydronic Radiant Heating, Floor Heating And Other Water Heater System

  • 【Premium Quality】Our hot water circulating pump is switchable at 120/78/57 watts, features high efficiency with low consumption. High temperature resistance, anti-corrosion, anti-fraying, high flow and no leakage. Super silent and environmental friendly.
  • 【Convenient For Use】Install in less than 1 hour, just need a wrench to connect the pump to the existing plumbing and is maintenance-free. 1″ FPT internal threaded flanges are included makes it easier for installation.
  • 【Main Parameter】 This water circulation pump features NPT 3/4” inlet/outlet, 1″ FPT internal threaded flanges. Voltage/Frequency: 110-120V, 60Hz. Input Power (High/Med./Low; Watts): 120 / 78 / 57. Max pressure: 145 psi (7 bar), Flow: 68 LPM (18 GPM). Head Range: 0 – 23.6”
  • 【Multiple Application】 WiseWater water circulator pump is suitable for a wide range of applications on residential and commercial hydronic radiant heating and plumbing, air conditioning, boilers, solar circulating water, hot water circulating warm and so on
  • 【100% Satisfaction Rate】We provide 100% satisfaction service as well as good quality product. Please contact us freely if you have any questions about out product or service.

10. Taco 0015-MSF2-IFC 3-Speed Circulator, Cast Iron

  • 3-Speed versatility
  • Highest performance and starting torque in class
  • Heavy duty construction for longer life
  • Removable high-flow integral flow check (IFC)
  • Replaceable cartridge design

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