10 Best Grundfos Pumps of 2025

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  Adjustable Pressure & Speed: Smart 45 is a fully integrated and intelligent water pump designed for domestic boosting. It automatically monitors and adjusts performance according to water demand, ensuring perfect pressure at your faucets. The smart pump control maintains constant pressure across all taps in the house, with a maximum flow rate of 1500 GPH and a maximum head of 150 ft. The pressure setting range is 1.5-5.5 bar (22-80 PSI), with a preset of 3 bar (44 PSI).
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  All-in-One Robust Design: Smart 45 is built with a durable stainless steel impeller, designed to withstand hot water temperatures up to 175 while effectively preventing leaks. This robust water booster pump features a maintenance-free pressure tank, stainless steel connectors, and an outlet equipped with a check valve. The precision aluminum motor housing is made from rustproof eco-friendly materials, ensuring both durability and health safety.
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  High Efficiency & Low Noise: Smart 45 features an air-cooled permanent magnet motor and inverter technology, operating quietly at just 55 dB(A) in typical use, ideal for residential and light commercial settings. It provides over 50% energy savings compared to standard pumps, resulting in significant annual cost savings. The pump works efficiently in a water temperature range of 32-175, reaching a maximum speed of 5200 RPM with a rated power of 550W (max. 750W). It can run 24/7 for a long service life.
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  Intelligent Protection Features: This small self-priming pump is easy and safe to install and operate. The control panel includes fault indicators and protections, such as power supply failure, pump block protection, pipeline leakage, dry-running protection, overheating protection, and pressure-sensor failure. If the pump becomes blocked or overloaded, the built-in automatic thermal switch will cut power to protect the motor.
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  Wide Applications: Smart 45 is versatile for both domestic and light commercial water supply, enhancing pressure for city mains, roof tanks, water tanks, shallow wells (up to 26 ft), garden irrigation, and clean water transfer. Aquastrong provides professional advice on installation and maintenance to keep your water system stable and worry-free.

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  Perfect water pressure: intelligent pump control adjusts operation automatically
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  Low noise: as quiet as a modern dishwasher (47 dba) in typical use)
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  Easy selection: one variant for all domestic boosting needs
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  Easy installation: compact, all-in-one solution, plug-and-pump. Easy to operate: user-friendly control panel
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  Boosting from wells: Pumps water from a depth of 8 meters

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

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  Dry running protection that will automatically stop the pump in case of water shortage
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  Cycling protection which will prevent pump starting frequently in case of minor leakages in installation
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  Max runtime protection can stop the pump after a desired period of continuous operation, preventing potential damage due flooding in case of pipe breakages.
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  Plumbing: Pressure Boosting
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  Residential groundwater intake
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  Residential water pressure boosting
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  Residential rainwater harvesting

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  TLC = Timer, Line Cord, 6-Foot
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  Flow range: 0 - 9 U.S. GPM, Head range: 0 - 6-Foot
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  Motors: Single phase, 115V. Supply Voltage:115-120 VAC, 60 hertz, Contact Rating: 16 amps
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  Connection: 3/4-Inch M by 3/4-Inch FNPT.Maintenance-free, low energy consumption, easy to install, quiet running
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  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

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  Operating Temperature Range: 32F to 131F
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  Max Operating Pressure: 116 psi
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  Max Inlet Pressure: 29 psi
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  Inlet Connection Type: NPT(M)
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  Outlet Connection Type: NPT(M)
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  Suction Port Size: 1 inch
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  Outlet Port Size: 1 inch
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  Connection Pressure Rating: PN 8
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  Liquid Pumped: Water
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  Liquid Temperature Range: 32F to 113F
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  Selected Liquid Temperature: 68F
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  Liquid Density: 62.29 lb/ft
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  Electrical Data: P1 max. 1250 W
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  Rated Power: 1.15 HP
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  Main Frequency: 60 Hz

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  Suitable for 1-3 Bathrooms
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  Rain Showers of 1 X 1 feet size or Shower Panel ( simunteanous use of 2 rain showers / 2 shower panels)
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  Silent Operation and dry run protection
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  User friendly intelligent controller
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  Can run on UPS Capacity of 2 KVA and above

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  Compatible With Replacement for Grundfos UPS15-58FC (UPS 15-58 FC); Replacement Number: 59896341; Suitable for commercial heating and air-conditioning systems and is also used for central and district heating systems
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  Package List & Specification Package Includes: 1 pcs x 115V 17GPM Three-Speed Circulator Pump; 1 set x Mounting Accessories; Technical: Speed no: 3 Rated flow: 1.93 m³/h Max flow: 3.9 m³/h Flow Range: 0-17 GPM (Gallons Per Minute); Rated head: 3.19 m Max head: 5.9 m Head Range: 0-19.5 ft; Horse Power: 1/25HP
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  Installation Max ambient temperature: 40 °C; Amb. max at 80 dgr C liquid: 80 °C; Max operating pressure: 10 bar (145 Psi); Type of connection: 2-BOLT FLANGE (C.I. Flange); Pipe connection: 2-BOLT FLANGE; Pressure rating for connection: PN 10; Port-to-port length: 166 mm
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  Excellent Performance Built-in motor protection for longer life and better performance. Whisper-quiet operation for sound sensitive installations
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  Buy with Confidence This 115V 3-Speed Circulator Pump is factory-proven. We will be responsible for dealing with them if the product has any quality problems within 1 year

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  GRUNDFOS UP15-29SU/LC
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  Stainless Steel Circulator Pump w/ Line Cord
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  1-1/4" Union, 1/8 HP, 115V