Grundfos circulators are specifically designed for heating and cooling systems. The wet rotor design ensures quiet maintenance free operation. Our 3-Speed models allow you the ability to adjust the pump speed to fit your specific application.


Specifically designed for heating and cooling in residential and commercial applications.

Heating Systems:

  • Boiler/Hydronic heating
  • Ground-source heat pumps
  • Radiant floor heating
  • Hydronic and fan-coil heating

Domestic Hot-Water Systems:

  • Solar water heating
  • Hot-water recirculation
  • Domestic hot-water heating

Cooling Systems:

  • Chilled water pumping

Features and Benefits:

  • Easy to install
  • Maintenance free
  • Quiet operation
  • Wet rotor design
  • Integral check valve - selected models
  • Single, 3-Speed, and Variable-speed models available
  • Cast iron, Lead free Bronze, or NSF 61 Stainless Steel options
  • Terminal box or Line cord models


  • Easy to install
  • Maintenance free
  • Quiet operation



Large UP, UPS - Product guide

Large UPS, UPS

The pumps are designed for circulation of liquids in heating and air-conditioning systems. They can also be used in domestic hot-water systems.

Grundfosliterature-3828490.pdf (6 MB)

GRUNDFOS Stainless up(s) - Product brochure


Choosing a stainless steel circulator ensures that you will always have the right pump - whether it is an open or closed system. Grundfos offers three stainless steel models, including two that feature our 3-speed SuperBrute technology.

Grundfosliterature-4112620.pdf (685 KB)

UP Series - Product guide

UP, UPS 60 Hz, North America Product Guide (Data booklet)

The Grundfos circulator pumps, Series UP(S), 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. Common uses include: boiler/hydronic heating; ground-source heat pumps; radiant floor heating; hydronic and fan-coil heating; solar heating; and heat recovery/heat pumps.

Grundfosliterature-3449388.pdf (8 MB)

Maintenance-free Timer and Thermostatic Control Accessories - Instruction

Maintenance-free, Timer and Thermostatic, Control Accessories (Installation and operating instructions)

Grundfos timer and thermostatic control accessories are designed only for use with specified Grundfos Series UP circulators installed in indoor hot water service systems. Applicable Series UP models include all single speed UP 10-15, 1-phase, 115 volt, 60 hertz pumps with date codes of 0528 and higher.

Grundfosliterature-3835338.pdf (316 KB)

Grundfos UP XL - Instruction

Grundfos XL, Maintenance-free Circulators

Maintenance-free Circulators

Grundfosliterature-2456326.pdf (1 MB)

Insulation shell - Instruction

Insulation Shell for UP XL Circulators, 60 Hz, North America (Installation and operating instructions)

Insulation shell fits UP XL circulators, 60 Hz, North America.

Grundfosliterature-3654368.pdf (474 KB)

Grundfos UP XL - Instruction

Grundfos UP XL maintenance-free circulators (Installation and operating instructions)

Grundfos UP XL maintenance-free circulators

Grundfosliterature-3979039.pdf (1 MB)

UP Series Circulator  - Instruction

UP Series circulators® (Installation and operating instructions)

Grundfos pumps are carefully inspected and tested before shipment. This pump should provide long, efficient, trouble-free performance. To ensure maximum performance and reliability, please follow the simple instructions in this manual. When installing this pump, always follow basic safety precautions and any federal, state, and local requirements.

Grundfosliterature-5238.pdf (2 MB)

Grundfos MixiMizer - Inst.

Grundfos MixiMizer (Installation and operating instructions)

MixiMizer I&O Instructions

Grundfosliterature-3835336.pdf (1 MB)

UPS Series 200 - Instruction

UPS Series 200 (Installation and operating instructions)

Wet Rotor, In-Line-Single Stage Circulator Pumps

Grundfosliterature-5235.pdf (4 MB)

Contact a Distributor

Contact a Distributor

Contact a Distributor for purchase information, locations or product availability.

Ask a Product Question

Ask a Product Question

To request information on products, installation, operation or service, please contact us.