Grundfos Home Booster
Grundfos Home Booster 4.5bar replacement pump CM3-6 92889533
- Established 1975
- Trusted by thousands of customers
Grundfos CM 3-6 horizontal multistage pump, 0.67 kW, single-phase
CM is a reliable, quiet and compact horizontal end-suction pump. The modular pump design makes it easy to make customised solutions. CM is available in cast iron and stainless steel. This model has 6 stages and a 0.67 kW single-phase motor, with a rated duty of 51.7 l/min at 41.5 m head (4.07 bar).
More about this product
Applications
- Commercial heating
- Commercial air conditioning
- Commercial water pressure boosting
- District heating
- Domestic water pressure boosting
- Industrial cleaning process
- Industrial heating
- Industrial water supply and transfer
- Desalination
- Water distribution
- Irrigation
- Community water supply
Specification
| Model | Grundfos CM 3-6 |
|---|---|
| Grundfos type key | CM 3-6 A-R-I-E-AQQE C1-A-A-N |
| Grundfos part number | 92889533 |
| Number of stages | 6 |
| Rated duty point | 51.7 l/min (3.1 m³/h) at 41.5 m (4.07 bar) head |
| Rated motor power (P2) | 0.67 kW |
| Supply voltage | 1 x 220-230 V, 50 Hz |
| Rated current | 4.30-4.15 A |
| Rated speed | 2810-2830 rpm |
| Connections | Rp 1" inlet and outlet |
| Pump housing | Stainless steel |
| Impeller | Stainless steel AISI 304 |
| Shaft seal | AQQE |
| Elastomers | E, EPDM |
| Liquid temperature | -20 °C to +120 °C |
| Max. operating pressure | 16 bar |
| Max. ambient temperature | 55 °C |
| Enclosure | IP55, insulation class F |
| Motor efficiency | IE2 |
| Minimum efficiency index | MEI ≥ 0.7 |
| Approvals | CE, EAC, UKCA |
| Net weight | 14.1 kg |
Key features
Frequently asked questions
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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Frequently Asked Questions
Quick answers to common questions about the Grundfos Home Booster 4.5bar replacement pump CM3-6 92889533. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What types of Grundfos pumps are available?
Grundfos offers circulators, booster pumps, borehole pumps, drainage pumps and other solutions for domestic and commercial systems.
How do I identify the correct Grundfos pump model?
Use the model name and product number on the pump nameplate, then check the electrical, hydraulic and connection specifications.
Can a Grundfos pump improve household water pressure?
A suitably selected Grundfos booster system can improve water pressure or flow, subject to the property’s water supply and installation requirements.