Grundfos SB3 Series Water Pumps

Grundfos SB3 PMR

Submersible Booster Pump with PM Rain Controller

  • Comes with a PM Rain Controller
  • PM Rain Controller ensures that collected rainwater is used as first priority, instead of precious drinking water and automatically switches to mains water when no water present or during electrical failure
  • Easy installation means reduced time and cost
  • Integrated unit with sleek look for better aesthetics
  • Silent when submerged – a noiseless alternative to surface mounted pumps
  Grundfos SB3-35A + PMR Grundfos SB3-45A + PMR
Maximum Flow (LPM) 100 100
Maximum H (M) 35 45
Taps (Average 15L / min): 7 7
  • Domestic rainwater supply with mains water backup
  • Suitable for a large, or 3 story house rainwater supply with mains water backup
  • Not suitable for rural applications
Warranty 4 years warranty (2 years standard and 2 years bonus) when you register.

Register Now

Need help with looking for the right parts and accessories?

Get in touch with our friendly team and we'll happily guide you through any questions that you might have.

Contact Us

Contact Us

Kingspan Water & Energy Australia

Kingspan Water & Energy manufactures long-lasting water tanks in our quality-controlled manufacturing plants around Australia. For enquiries, please call 1300 736 562 or email

Head Office

3 Herbert Place, Smithfield

New South Wales


Call: 1300 736 562