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CMB5-46 A-C-A-A-B-B Pressure Pump with PM1 Controller 97530169

The Grundfos CM Booster with pressure manager PM1 is a compact booster set for water supply in domestic applications. The pressure booster unit consists of a Grundfos CM pump and a Grundfos pressure manager PM1. The pressure manager allows the pump to start and stop automatically according to demand and protects the pump from dry running. The CM Booster is very easy to install. When the booster has been connected to the pipework, it is all a matter of plugging the plug into a socket, and the system is operational.


  • Compact
  • Easy installation
  • Dry-running protection
  • Anti cycling (leakage detection)

Applications Grundfos CM PM1 Booster is mainly used for domestic and light commercial water supply or booster systems.

Suction lift: Max. 1 m, including suction-pipe pressure loss at a liquid temperature of 20 °C. (not self-priming)

Motor / power: 900W
Max. flow: 100T/min
Head: 46m
Inlet: 1¼″F / 32mm
Outlet: 1″M / 25mm
Pressure: 460kPa
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
Warranty on pump: 2 Years
Code: 97530169