Electronic circulator Grundfos UPM3(K) FLEX AS 25-75 H9 (Riello code 20230656), version with (K) variant designed to operate in more extreme working conditions compared to the standard model.
The (K) variant is optimized for applications with fluid temperatures between 2°C and 110°C, making it ideal also for systems with very low temperatures and possible condensation.
This model guarantees:
- High efficiency and reduced consumption
- Stable operation even in critical conditions
- Greater reliability compared to the standard series
- 180 mm distance between connections
- Compatibility with Beretta / Riello / Sylber boilers that use UPM3 FLEX circulators
Original Grundfos product supplied for Riello–Beretta systems.
Perfect as a replacement in residential and commercial systems with medium-high pumping requirements.