Grundfos MQ 3-45 1HP, 110-120V Booster Pump

- Item #: BCI1227563

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1HP, 110-120V Booster Pump

The Grundfos MQ is a compact pump and pressure boosting unit, purposely-designed for domestic water supply and other applications where a compact, reliable, and easy-to-install pump is advantageous. The MQ is a self-priming multistage centrifugal pump. It self-primes within 5 minutes from a well depth of 8 meters or less.


  • All-in-one pressure booster unit
  • Easy to install
  • Easy to operate
  • Self-priming
  • Dry-running protection with automatic reset
  • Low-noise
  • Maintenance-free

Due to its compact design, the pump does not take up much space and is easy to install. No
space around the pump is required.

Simple operation
The pump features a user-friendly control panel with ON/OFF button and indicator lights for
indication of the operational state of the pump.

Self-priming pump
As it is self-priming, the MQ is able to pump water from a level below the pump. Provided it is
filled with water, the pump is able to lift water from a depth of 8 m in less than 5 minutes. This
facilitates installation and start-up of the pump and provides more reliable water supply in
installations where there is a risk of dry running and leakages in suction hose or pipes.

Built-in protective functions
If exposed to dry running or excessive temperature, for example in case of seizure or overload,
the pump will stop automatically, thus preventing a motor burnout.

Automatic reset
The pump features an automatic reset function. In case of dry running or similar alarm, the
pump will stop. Restarting will be attempted every 30 minutes for a period of 24 hours. The
reset function can be deactivated.

Low noise level
Thanks to its hydraulic design and internal cooling, the pump is extremely low-noise, which
makes it suitable for indoor as well as outdoor use.

Pressure tank
The built-in pressure tank reduces the number of starts and stops in case of leakages in the
pipe system, causing less wear on the pump.

Additional Grundfos Links

Our SKU: Grundfos MQ 3-45

This product is listed under the following manufacturer number(s):

  • Grundfos G96860195

*Denotes a finish or option that has been discontinued

Grundfos MQ 3-45 Product Specifications

Installation Guide
Flow Rate (GPM) 22
Height 12.6
Horsepower 1
Length 22.44
Product Weight 29
Voltage 120
Width 8.58

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Grundfos MQ 3-45 Reviews

Rated 4 out of 5 by from Very good producta and fast shipping The product was well engineered and very easy to install the product fuction ws exactly the right amount of pressure for the application I Used it for.thanks so much Jay
Date published: 2010-09-24

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