The Grundfos CMB Booster with PM1 pressure manager is a compact pressure boosting system designed for reliable water supply in domestic and light commercial applications. The system combines a Grundfos CM pump with a PM1 pressure manager, which automatically starts and stops the pump according to water demand while providing dry-running protection.

The CMB Booster is easy to install. Once connected to the pipework, simply plug the unit into a power socket and the system is ready for operation.

Key Features

• Compact booster system
• Suitable for domestic and light commercial applications
• Easy installation
• Automatic start and stop according to water demand
• Dry-running protection
• Anti-cycling with leakage detection
• 304 stainless steel pump body, impeller and shaft
• PM1 pressure manager included

Specifications

• Motor / Power: 900W
• Maximum Flow: 100 L/min
• Maximum Head: 46m
• Pressure: 460kPa
• Inlet: 1¼" female / 32mm
• Outlet: 1" male / 25mm
• Body: 304 stainless steel
• Diffuser: Technopolymer
• Impeller: 304 stainless steel
• Pump Shaft: 304 stainless steel
• Mechanical Seal: Carbon with resin/ceramic
• Start Pressure: PM1 – 2.2 bar

Components

• Non-self-priming stainless steel pump with PM1 pressure manager
• 1.2m cable with plug

Operating Specifications

• Liquid Temperature: 0°C to +60°C
• Ambient Temperature: 0°C to +55°C
• Supply Voltage: 1 x 240V, 50Hz
• Maximum System Pressure: 10 bar
• Enclosure Class: IP55
• Installation: Suitable for covered installation
• Warranty: 2 years

Applications

Suitable for domestic and light commercial water supply and water pressure boosting systems.

Important Note

• Maximum suction lift is 1m, including suction-pipe pressure loss at a liquid temperature of 20°C.
• Not self-priming.

Product Details

Model: CMB 5-46 A-C-A-A-B-B

Product Number: 97530169