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Grundfos
Grundfos MAGNA3 circulatorGrundfos ALPHA2 circulatorGrundfos UPS43-100F circulator
MAGNA3ALPHA2UPS
MAGNA3 featured
Intelligent control + monitoring when system performance is key.
ALPHA2 featured
High-efficiency ECM circulator for heating and hot-water recirculation.
UPS featured
Proven 3-speed platform for service work in heating and AC.
Shop MAGNA3 ↗Shop ALPHA2 ↗Shop UPS ↗
Grundfos MAGNA3 video
Grundfos YouTube ↗
Buy Grundfos now ↗

Grundfos Overview

Grundfos is known for pump solutions that span everything from building services and water systems to larger commercial and industrial applications. Across the line, the brand emphasizes efficiency, reliability, and sustainable water management, which is why it is a strong fit for engineers, contractors, and facility teams looking for dependable long-term performance.


In the hydronic and HVAC space, the MAGNA3platform is the premium option when advanced control and monitoring matter most. It is built for heating, cooling, and hot-water recirculation applications, giving users a high-efficiency circulator that can support both new construction and retrofit work where system optimization is a priority.


MAGNA3 combines intelligent control features such as AUTOADAPTand FLOWADAPT, helping systems respond more efficiently to actual demand while reducing the need for manual balancing and, in many cases, minimizing the need for separate throttling valves. For design teams and service technicians, that can mean simpler commissioning and lower overall system complexity.


Commissioning is designed to be straightforward through the onboard display or the Grundfos GOapp, and the pump’s wet-running design helps reduce maintenance requirements by using the pumped liquid to lubricate and cool the rotor. Combined with strong communication and control options, MAGNA3 is a practical choice for projects where energy savings, visibility, and lifecycle value all matter.

Featured Items

Featured products and MAGNA3 resources.

MAGNA3 50-150F (115V) ECM Circulator

MAGNA3
Grundfos MAGNA3 98126816
Premium intelligent circulator with built-in communication capabilities and wireless commissioning support.
MGPN:MAGNA350150F115
Product page ↗98126816

UPS43-100F 3-Speed Cast Iron Circulator

Service
Grundfos UPS43-100F 95906636
Proven 3-speed platform for heating and AC service work.
MGPN:UPS43100F
Product page ↗95906636

ALPHA2 15-55FHW High-Efficiency ECM Circulator

ECM
Grundfos ALPHA2 99163903
High-efficiency ECM circulator for heating and hot-water recirculation.
MGPN:ALPHA21555FHW
Product page ↗99163903

MAGNA3 Brochure (PDF)

Docs
MAGNA3 brochure
Sales brochure for MAGNA3 selection and positioning.
Open PDF ↗Brochure

MAGNA3 Instruction / Installation Manual (PDF)

Docs
MAGNA3 IOM
Installation and setup reference for MAGNA3.
Open PDF ↗IOM

MAGNA3 How-To Guides (Grundfos)

Training
MAGNA3 how-to guides
Official setup/commissioning guidance and support resources.
Open guides ↗Support

Quick Links

Fast paths to your featured SKUs and MAGNA3 resources.

Grundfos Product Center

Size, select, compare, and find documentation for Grundfos pumps.
Open Product Center ↗

MAGNA3 50-150F (115V)

MGPN MAGNA350150F115
Open product page ↗

UPS43-100F

MGPN UPS43100F
Open product page ↗

ALPHA2 15-55FHW

MGPN ALPHA21555FHW
Open product page ↗

MAGNA3 Brochure (PDF)

Selection + positioning.
Open PDF ↗

MAGNA3 Installation Manual (PDF)

Install / setup reference.
Open PDF ↗

MAGNA3 How-To Guides (Grundfos)

Install / commission / integrate.
Open guides ↗

MAGNA3 Ecademy Course (Grundfos)

Training track for MAGNA3.
Start course ↗

Grundfos products include

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Circulating Pump

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Pump Parts & Accessories

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