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SKU: 98507630
Grundfos CMB-SP 3-56 Stainless Steel Self-Priming Pressure Boosting Residential Pump Multistage Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
The Grundfos CMB-SP 3-56 is a self-priming pressure boosting pump designed for residential water systems, garden irrigation, and light-duty pressure applications. It is supplied as a complete booster unit with an integrated PM2 pressure manager, enabling automatic start and stop operation based on demand while providing dry-run protection and restart functionality.
Constructed with a stainless steel pump housing and multistage stainless steel impellers (AISI 304), the pump delivers strong corrosion resistance and long operational life. The compact booster configuration ensures easy installation and dependable performance across various applications.
The pump operates at a rated flow of 3 m³/h with a corresponding head of 42.1 metres. Based on the performance curve, the unit delivers a maximum flow of approximately 65 L/min at low head conditions and achieves a maximum head of approximately 56 metres at shut-off. It supports a self-priming suction lift of up to 4 metres.
The unit is powered by a 0.67 kW electric motor operating on a 1 x 240 V, 50 Hz supply. The integrated PM2 controller ensures automatic pressure control and efficient system operation.
FEATURES- Motor: 0.67 kW Electric Motor, 1 x 240 V, 50 Hz
- Maximum Flow: approx. 65 L/min
- Maximum Head: approx. 56 m
- Rated Flow: 3 m³/h
- Rated Head: 42.1 m
- Pump Type: Self-priming pressure boosting pump
- Controller: Integrated PM2 pressure manager with dry-run protection
- Construction: Stainless steel pump housing with multistage stainless steel impellers (AISI 304)
- Impellers: Multistage design (6-stage)
- Mechanical Seal: AVBE shaft seal
- Self-Priming Capability: Up to 4 m suction lift
- Return Valve: Integrated
- Maximum Operating Pressure: 10 bar
- Maximum Ambient Temperature: Maximum 50°C
- Pump Liquid Temperature: Maximum 40°C
- Inlet Size: 25 mm
- Outlet Size: 25 mm
- Enclosure Class: IP55
SPECIFICATIONS
| Max Flow | 65 L/Min |
| Max Head | 56 m |
| Power | 0.67 kW / 240v |
| Rated Current | 4.4 Amps |
| Suitable For | Household Boosting |
| Body Material | Stainless Steel |
| Liquid Temperature | Maximum 40°C |
| Inlet Size | 25 mm |
| Outlet Size | 25 mm |
| Warranty | 24 Months |
Warranty & Returns
All products supplied by Foundation Pumps are covered by a minimum 12-month warranty unless otherwise stated. Some brands may offer longer manufacturer warranties. Warranty covers manufacturing defects, faulty materials and workmanship under normal use.
- Products must be installed correctly and in accordance with the manufacturer’s instructions.
- Warranty does not cover incorrect installation, misuse, dry running, normal wear and tear, unauthorised repairs or damage caused by external factors.
- Proof of purchase, photos, videos and installation details may be requested when assessing a warranty claim.
- The customer is responsible for returning the product to Foundation Pumps or the nominated service centre unless otherwise agreed.
- Removal, reinstallation, labour and associated site costs are generally the customer’s responsibility unless required under Australian Consumer Law.
- Change-of-mind returns may be accepted within 30 days provided the product is unused, uninstalled and returned in its original packaging.
- Customers are responsible for return freight costs for change-of-mind returns.
- Restocking fees may apply to special-order, bulky or non-stocked products.
- Used, installed or specially ordered products may not be eligible for change-of-mind returns.
- If a product arrives damaged or faulty, please contact Foundation Pumps as soon as possible so we can assist with the appropriate repair, replacement or refund.
Your rights under Australian Consumer Law are not affected.
How much water flow and dynamic pressure can this pump generate?
Achieving strong system delivery, the Grundfos CMB-SP 3-56 develops a maximum flow rate of 65 L/Min and a maximum dynamic head of 56 m across its operating curve.
What kind of power supply does this pump require to run?
Running on 240v power supplies, the CMB-SP 3-56 is driven by a 0.67 kW motor rated at 4.4 Amps.
Which casing and impeller materials provide long service life in this pump?
High-grade Stainless Steel components in the CMB-SP-3-56 protect internal passages against corrosive fluid contact.
What primary water management tasks is this pump best suited for?
Primary tasks for the CMB SP 3 56 include self-priming suction lift from subterranean rainwater cisterns and underground holding pits, delivering efficient water management across residential and rural systems.
What official warranty duration comes with this pump from purchase?
You receive a certified 2 Years manufacturer warranty with the CMB/SP/3/56, giving you long-term protection and support.
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