GRUNDFOS CR2-70 AAA‑BUBE water pump is a sophisticated and reliable booster designed to efficiently deliver a flow capacity of 2.5 m³/h at a maximum head of 43.3 m. Built upon Grundfos’s renowned CR vertical multistage platform, this model offers exceptional performance in domestic pressure-boosting, water treatment systems, HVAC circulation, and light industrial applications where compact design and consistent pressure are paramount.
Engineered for smooth and dependable operation, the CR2-70 AAA‑BUBE features class-leading hydraulic efficiency and precision-engineered stainless-steel impellers and diffusers. These components enable it to maintain a steady flow of 2.5 cubic meters per hour even under variable demand, while the 43.3 m head ensures reliable delivery through tall buildings or long piping systems. The pump’s closed impeller design helps maintain optimal performance and prevents loss of efficiency due to wear or debris, guaranteeing reliability and a long operational lifespan.
The compact vertical design of the GRUNDFOS CR2-70 AAA‑BUBE makes it a space-saving powerhouse. Its modular and service-friendly construction allows for easy access to mechanical seals, bearings, and motor, minimizing downtime during maintenance. With corrosion-resistant stainless-steel construction throughout and robust mechanical seals, the pump is suitable for installation in harsh water environments and under frequent duty cycles, reducing risks of leakage and extending service intervals.
Ideal for integration into booster sets, pressurized water circuits, reverse osmosis systems, and precision cooling loops, the CR2-70 AAA‑BUBE supports both single-unit and multi-pump configurations. Backed by Grundfos’s reputation for engineering excellence, this pump delivers quiet operation, low vibration, and dependable control. Whether installed in residential high-rises, light commercial systems, or automated water treatment setups, the GRUNDFOS CR2-70 AAA‑BUBE offers precise flow control, robust performance, and high energy efficiency for professionals seeking reliability and long-term value.