Grundfos CMB 3-4 Multistage Pressure System, 0.5kw. All stainless steel wet end with electronic pressure control unit, offering dry-run protection. 1″ Male BSP connections.
The Grundfos CMB-SP 3-37 pressure system is a compact booster pump for water supply in domestic and light commercial water applications.
The unit consists of a Grundfos CMB-SP 3-37 cast iron pump with a stainless steel wet end and a Grundfos PM2 pressure manager that allows the pump to start and stop automatically according to demand. The PM2 you can adjust the cut in pressure.