Grundfos CMB SP 3-56 Self Priming Pressure Pump with PM2 Controller

Grundfos CMB SP 3-56 Self Priming Pressure Pump with PM2 Controller

The CMB-SP3-56 single phase automatic pressure pump with PM2 controller, stainless steel pump end and run-dry protection supplies a flow rate of 40 litres per minute at 420 kPa which is more than enough for 3 showers to be used at the same time in a single or two level house.The booster unit consists of a robust multistage centrifugal pump and a generator friendly PM1 or PM2 Pressure Manager.The Pressure Manager allows the pump to startand stop automatically according to demand andprotects the pump from dry running. The CM Booster Self-Priming is the perfect solution if you are struggling with insufficient mains pressure,and can also be used with above or below groundwater sources.

$1,380.50 (inc GST)

Availability: In stock

Product Description


Mains water pressure boosting
Rainwater supply from above ground water tanks
Rainwater supply from below ground water tanks
Rainwater supply from other below ground water sources - dams/rivers etc.

Features and Benefits
Self-Priming With a suction lift of up to 8 metres (self-priming up to 4 metres), the CM Booster Self-Priming is ideal for pressurising water from above or below ground water sources.

Robust design
All wetted parts are made from high quality, corrosion resistant stainless steel to ensure the longest life possible. User-friendly interface The pump features a user-friendly interface with LED indicators displaying power status, pump running, alarm indication and pressure indication (excluding CMB-SP 1-36).

Protective features
The pump incorporates a range of protective features such as; dry run protection, thermal overload protection, cycling alarm and maximum continuous operation time - 30 mins (excluding CMB-SP 1-36) to protect the pump and ensure a long life.

Easy installation
The booster unit is a compact and adaptable solution, which makes it suitable for most installations. Simply connect the inlet and outlet and adjust the start pressure to suit individual requirements and you have a fully operational booster unit.

Integrated non-return valve
Non-return valve for backflow prevention.

Downloads & Specifications

Additional Information

Additional Information

PDF Download

PDF Download - CMB Range Product Brochure

PDF Download - CMB 3-56 Operating Curve