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Top 10 Best Circulator Pump For Radiant Heat Based On User Rating

January 8, 2022 by Michael Ethan

Last Update: July 02 2022 19PM

Radiant underfloor heating is a great way to heat a home. It provides even heat distribution and only warms the objects in a room, not the air. The water-to-air pumps are very quiet so you don't have any noise from your furnace or air conditioner. Radiant floor can be used with wood or tile floors and is great for homes with children and pets.

Best Circulator Pump For Radiant Heat
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

Best Circulator Pump For Radiant Heat

49872 reviews were considered when writing our recommendations for the Circulator Pump For Radiant Heat in this article.

Comparison Chart of Top 10 Circulator Pump For Radiant Heat

NoProductScoreAction
1Taco SR501 Single Zone Hot Water Circulator Switching Relay9.8Buy On Amazon
2KOLERFLO 3/4 Inch Hot Water Circulating Pump 3-Speed Circulation Water Pump for Solar Heater System(RS15-6 Red)9.6Buy On Amazon
3AB WiseWater Circulation Pump9.4Buy On Amazon
4Happybuy RS15-6 Hot Water Recirculating Pump 110V Circulation Pump 3/4-Inch NPT 3-speed Recirculation Pump 9.5 Gpm for Water Heater System9.2Buy On Amazon
5Taco 0015-MSF2-IFC 3-Speed Circulator8.8Buy On Amazon
6Taco 007-F5 Cast Iron Circulator8.6Buy On Amazon
7Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check8.2Buy On Amazon
8Grundfos UPS15-58FC Circulator Pump8.2Buy On Amazon
9Taco 0010-F3 Cast Iron Cartridge Circulator-0010 Series8.2Buy On Amazon
10Grundfos 59896341 UPS15-58FC Super Brute Circulator8.2Buy On Amazon
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Table Of Content:

  • Taco SR501 Single Zone Hot Water Circulator Switching Relay
  • KOLERFLO 3/4 Inch Hot Water Circulating Pump 3-Speed Circulation Water Pump for Solar Heater System...
  • AB WiseWater Circulation Pump, Hot Water Recirculating Pump, 3 Speed Switchable Circulator Pump with 1''...
  • Happybuy RS15-6 Hot Water Recirculating Pump 110V Circulation Pump 3/4-Inch NPT 3-speed Recirculation...
  • Taco 0015-MSF2-IFC 3-Speed Circulator, Cast Iron
  • Taco 007-F5 Cast Iron Circulator, 1/25 HP Pump with Universal Pump Flange Gaskets and Wire Gland, Green...
  • Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check
  • Grundfos UPS15-58FC Circulator Pump, Red
  • Taco 0010-F3 Cast Iron Cartridge Circulator-0010 Series, 115 V, Green
  • Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, Small

1. Taco SR501 Single Zone Hot Water Circulator Switching Relay

Taco SR501 Single Zone Hot Water Circulator Switching RelayBuy On Amazon
  • Easy to Wire 1- Zone Switching Relay By Taco
  • Set of dry contacts controls relay for circulator motor
  • LED Light shows when zone is on

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

KOLERFLO 3/4 Inch Hot Water Circulating Pump 3-Speed Circulation Water Pump for Solar Heater System(RS15-6 Red)Buy On Amazon
  • Rated power: 93/67/46 W.
  • 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.
  • The circulation water pump features high efficiency with low consumption.
  • 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.

3. AB WiseWater Circulation Pump

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 SystemBuy On Amazon
  • Premium Quality】Our hot water circulating pump is switchable at 120/78/57 watts, features high efficiency with low consumption.
  • 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.
  • Main Parameter】 This water circulation pump features NPT 3/4” inlet/outlet, 1″ FPT internal threaded flanges.
  • 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.

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

Happybuy RS15-6 Hot Water Recirculating Pump 110V Circulation Pump 3/4-Inch NPT 3-speed Recirculation Pump 9.5 Gpm for Water Heater SystemBuy On Amazon
  • Main Parameter: The hot water circulation pump features NPT 3/4 inch (19.
  • 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.
  • Advantage: The hot water circulation pump features high efficiency with low consumption.
  • 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 0015-MSF2-IFC 3-Speed Circulator

Taco 0015-MSF2-IFC 3-Speed Circulator, Cast IronBuy On Amazon
  • 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

6. Taco 007-F5 Cast Iron Circulator

Taco 007-F5 Cast Iron Circulator, 1/25 HP Pump with Universal Pump Flange Gaskets and Wire Gland, GreenBuy On Amazon
  • 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 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow Check

Taco 007-F5-7IFC Cast Iron Circulator Pump with Integral Flow CheckBuy On Amazon
  • 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

8. Grundfos UPS15-58FC Circulator Pump

Grundfos UPS15-58FC Circulator Pump, RedBuy On Amazon
  • 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

9. Taco 0010-F3 Cast Iron Cartridge Circulator-0010 Series

Taco 0010-F3 Cast Iron Cartridge Circulator-0010 Series, 115 V, GreenBuy On Amazon
  • 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

10. Grundfos 59896341 UPS15-58FC Super Brute Circulator

Grundfos 59896341 UPS15-58FC Super Brute Circulator, Red, SmallBuy On Amazon
  • Ceramic shaft and radical bearings
  • Carbon axial bearing
  • Stainless steel rotor can and bearing plate
  • Corrosion-resistant impeller
  • Cast iron pump housing

Circulator Pump For Radiant Heat Buying Guide


Radiant heating is a different method of heating than forced air or hot water heat. This type of heat works by warming objects and then absorbing the heat into the air. As the objects around you slowly warm up, so do you! Radiant floors heat very quickly, in some cases warming a square foot of floor five times faster than forced air heat. The pump is a critical part of your radiant heating system because it moves the necessary amount of water through the system without any leaks.

Drawbacks of Radiant Underfloor Heating

There are several different types of pumps for radiant heating systems; we'll cover them in more detail later. But for now, we want to focus on circulator pumps which move water through a radiant underfloor heating system.

One of the biggest drawbacks to radiant floor heating is that it requires a boiler and results in higher installation costs. Another drawback to underfloor heating is the upfront installation costs. Heating a home with radiant underfloor heat does require an investment, but it doesn't require as much labor as a forced-air or hot water system and reduces the operating costs of a furnace.

Energy Efficiency

Radiant heating is an efficient way to heat your home, the underfloor radiant system utilizes fewer BTUs of energy than forced air or hot water systems. It's important to note that like all heating systems, the layout of your house can affect how quickly it warms up.

Materials of Construction

Over the years, manufacturers have developed several different materials for radiant underfloor heating. The first material used was copper tubing that was usually covered with a plastic mesh. This type of system is common in Europe where they slowly heat up the water before it reaches the thermostat. The drawback to this method is that full power isn't reached until after the thermostat is satisfied.

The next advancement in radiant heating was the use of Pex tubing. The advantage with this method is that heat is evenly distributed throughout the heating length of the tubing so it warms up more quickly than systems using copper tubing and plastic mesh.

Applications

Sizing a circulator pump in a radiant underfloor heating system is critical as this pump runs 24/7 and can make a huge difference on your energy bill. In the past, homebuilders often used boiler-based furnaces that were also oversized for radiant floor heating.

Power consumption

In radiant heating systems is less than that in forced air furnaces, but the inefficiencies of one oversized pump can negate any savings.

The last advancement is flat-panel heaters. These are typically thin panels made with aluminum fins over an element and are installed directly in front of the floor registers. The drawback to this type of system is that they usually require a separate pump and do not work well in humid areas.

FAQs

How long does a circulating pump last?

Typically, compared to other types of pumps, radiant heating pumps can last several years or even decades. These types of pumps are often the only moving part in a system and do not require many repairs.

How much energy is required?

In general, most homes with radiant underfloor heating already have a boiler with a separate circulator pump, which typically use less energy than a furnace. Larger pump sizes mean that more BTUs are used, but the efficiency of heating your home with radiant underfloor heating can make up for this marginal increase in power consumption.

How much does it cost to install a circulating pump?

This depends on what you consider a circulator pump. In many homes, the boiler has a built-in circulator that is designed for radiant heating and does not require an external pump. In these cases, it's more of a replacement cost depending on the age of your boiler and how well it functions.

Can I turn off my hot water recirculating pump?

The best way to determine if you have a recirculating hot water heater is to look at the temperature of your incoming cold water. If it is noticeably warmer than the rest of your house, then your hot water pump may be operating in a recirculation mode. In these cases, there are two options: You can turn off the recirculating pump or you can manually turn it on and off. In our experience, the best option is to simply turn it off. If you find yourself turning it on and off more than once a day, your boiler may not be sized properly for your home.

Conclusion


In this article, we have discussed the three most common types of radiant heating systems and their components. We emphasized that understanding how your house warms up is critical to selecting the right pump size for your system. If you plan on integrating a solar water heating system into your radiant floor heating or hot water baseboard configuration, be sure to read our article on sizing this type of hybrid system.
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Filed Under: Home Improvement Tagged With: Automotive , Misc. , Tools & Home Improvement

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