GRUNDFOS - CMBE MULTI-STAGE BOOSTER SYSTEMS CMBE 1-75 - Phase 1 1.5 200-240 - 98548110

The Grundfos CMBE 1-75 (MPN 98548110) is a premium variable-speed constant-pressure booster system designed to deliver dependable water pressure for residential and light commercial applications. Operating on 200–240V single-phase power, the system integrates a stainless steel multistage pump, permanent magnet ECM motor, intelligent variable frequency drive, pressure sensor, expansion tank, pressure gauge, and check valve into one compact package. The built-in controller automatically adjusts pump speed to match changing water demand, providing constant pressure while reducing energy consumption and operating noise. Ideal for municipal water boosting, irrigation, rainwater harvesting, storage tanks, and water transfer applications, the CMBE 1-75 offers exceptional efficiency and long-term reliability.

Cross References

1. Grundfos — 98548110
2. Grundfos — CMBE 1-75 (200–240V)
3. Grundfos — 98810921 (110–120V version of the same CMBE 1-75 booster system)

Usage

The Grundfos CMBE 1-75 is engineered to maintain constant water pressure in residential homes, apartment buildings, irrigation systems, commercial buildings, and rainwater harvesting installations. The integrated pressure sensor continuously monitors system pressure and automatically adjusts motor speed using the built-in variable frequency drive (VFD), ensuring stable pressure regardless of changing demand. The included diaphragm expansion tank minimizes pump cycling, while integrated dry-run protection, overload protection, and a built-in check valve improve system reliability and extend equipment life. It is commonly installed on municipal water supplies, cisterns, break tanks, and other clean-water systems.