Grundfos Hydro Multi-B

Simple, Compact and Efficient.

The Grundfos Hydro Multi-B is the ideal constant pressure booster for a moderately sized building.

NSF 61/ UL372 / AS4020 approvals make them suitable to be contact with domestic potable water.

Energy efficient Variable speed Grundfos E-motors ensures low operational costs and a long service life.

The Hydro Multi-B was designed with pressure boosting in mind.

  • Domestic Potable Water pressure boosting
  • Rainwater re-use pressure boosting
  • Multi-storey building pressure boosting (Apartments, offices, hotels, etc)


The Hydro Multi-B takes advantage of

  • Compact design with all serviceable parts accessible.
  • Energy efficient integrated variable speed motor (Grundfos E-motor)
  • Simple to use controller.
  • AS4020 approvals for use with potable water