GRUNDFOS CMB-SP 3 Series Booster Pump – Multistage Pressure System
Grundfos CMB-SP 3 Series Booster Pump SystemPlease contact us regarding availability, as some models may need to be ordered from our supplier.The Grundfos CMB-SP 3 Series is a range of compact, self-priming booster pump systems designed for domestic and light-commercial water supply applications.Each system combines a Grundfos CMB-SP multistage pump with a Grundfos PM2 pressure manager. The PM2 automatically starts and stops the pump according to water demand and provides dry-running and anti-cycling protection.Recommendation: Adding a pressure tank can reduce pump starts, reduce operating noise and extend the life of the pump. Select the required pressure tank from the dropdown menu.A free three-way tee is supplied with any pump and pressure-tank combination.SpecificationsModel kW Amps Outlet Inlet Flow Rate Head [m] ControllerCMB-SP 3-28 0.50 3.1–2.8 1" M 1" F 50 LPM 20.5 PM2 – 1.5 barCMB-SP 3-37 0.50 3.1–2.8 1" M 1" F 50 LPM 27.7 PM2 – 1.5 barCMB-SP 3-47 0.50 3.1–2.8 1" M 1" F 50 LPM 34.9 PM2 – 2.2 barCMB-SP 3-56 0.67 4.4–4.0 1" M 1" F 50 LPM 42.1 PM2 – 2.2 barCommon Specifications Supply voltage: 1 × 220–240 V, 50 Hz Maximum flow: approximately 66 L/min Liquid temperature range: 0°C to +60°C Sound pressure level: below 55 dB(A) Motor enclosure class: IP55 Adjustable PM2 cut-in pressure Maximum system pressure: 10 bar Features Compact, self-priming multistage design Automatic start and stop according to water demand Dry-running protection Anti-cycling alarm for potential pipe leakage Stainless-steel impellers, intermediate chambers and shaft Cast-iron pump housing Hard-wearing carbon and ceramic mechanical seal Suitable for generator operation Complies with AS/NZS 4020 requirements for products used with drinking water Applications Domestic household water supply Pressure boosting from above-ground water tanks Pressure boosting from suitable below-ground water sources Mains-water pressure boosting where permitted Garden watering and irrigation General water transfer Light-commercial applications Warranty: 2-year back-to-base warranty.