Grundfos CMB 3-46 - CM Booster A-C-A-A-B-A
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Warranty: Manufacturer’s Warranty
The Grundfos CMB 3-46 is a compact booster set designed for reliable water
pressure boosting in domestic and light commercial applications. The system
consists of a Grundfos CM multistage centrifugal pump combined with a PM1
pressure manager, enabling automatic start and stop based on water demand. It
also provides dry-run protection for added pump safety.
This
booster set is extremely easy to install—once connected to the piping system,
simply plug it into a power outlet and it is ready for operation. The CMB 3-46
is ideal for homes, small commercial buildings, and applications requiring
stable and efficient water pressure.
Key Specifications:
| Product Number: | 97530142 |
| Application | Domestic & light commercial water pressure boosting |
| Rated Flow | 3.1 m³/h |
| Rated Head | 30.5 m |
| Rated Power (P2) | 0.5 kW |
| Voltage / Phase | 1 × 220–230 V, 50 Hz |
| Start Pressure | PM1 – 2.2 bar |
| Maximum Operating Pressure | 10 bar |
| Liquid Temperature Range | 0 to 40 °C |
| Pump Housing | Cast iron (EN-GJL-200) |
| Impeller Material | Stainless steel (AISI 304) |
| Inlet / Outlet Connection | 1" Rp / 1" G (PN 10) |
| Enclosure Class | IP55 |
| Insulation Class | Class F |
| Net Weight | 13.8 kg |
Documentation & Downloads:
| Document | Download |
|---|---|
| CMB 3-46 A-C-A-A-B-A Datasheet | 📄 Download PDF |
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