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SKU: 98507629
Grundfos CMB-SP 3-47 Stainless Steel Self-Priming Pressure Boosting Domestic Pump Multistage Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
The Grundfos CMB-SP 3-47 is a self-priming pressure boosting pump designed for domestic water supply, irrigation, and light commercial applications. It is supplied as a complete booster unit with an integrated PM2 pressure manager, enabling automatic operation with dry-run protection, restart functionality, and adjustable start pressure.
Constructed with a stainless steel pump housing and multistage stainless steel impellers (AISI 304), the pump provides excellent corrosion resistance and long service life. The compact design allows easy installation and reliable performance across a wide range of applications.
The pump operates at a rated flow of 3 m³/h with a corresponding head of 34.9 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 47 metres at shut-off. It supports a self-priming suction lift of up to 4 metres.
The unit is powered by a 0.5 kW electric motor operating on a 1 x 240 V, 50 Hz supply. The integrated PM2 pressure manager ensures efficient automatic pressure control without the need for external controllers.
FEATURES- Motor: 0.5 kW Electric Motor, 1 x 240 V, 50 Hz
- Maximum Flow: approx. 65 L/min
- Maximum Head: approx. 47 m
- Rated Flow: 3 m³/h
- Rated Head: 34.9 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 (5-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 | 47 m |
| Power | 0.5 kW / 240v |
| Rated Current | 3.3 Amps |
| Suitable For | Domestic Supply |
| 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 pressure can this pump deliver?
Output across system pipework enables the Grundfos CMB-SP 3-47 to deliver up to 65 L/Min in flow and a maximum head of 47 m, depending on your pipe layout.
What voltage supply and motor power does this pump need?
Under full load conditions, the motor in the CMB-SP 3-47 delivers 0.5 kW on a 240v line drawing 3.3 Amps.
What corrosion-resistant materials are used in the wetted components?
Built with a resilient Stainless Steel body, the CMB-SP-3-47 maintains material durability against fluid abrasion and wear.
What domestic plumbing and water boosting roles does this pump perform?
Routine operational tasks matching the CMB SP 3 47 encompass self-priming suction lift from subterranean rainwater cisterns and underground holding pits across connected networks.
What factory warranty backing is provided with this pumping equipment?
Grundfos backs the CMB/SP/3/47 with an official 2 Years warranty, offering reliable coverage and factory technical support.
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