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Components of the basic 25 kW package
The solar station was designed to be as ready for connection as possible
OpenTherm uses point-to-point communication
This allows for flexible operation
Sunex Solar Controller Logo PWM
grundfos upm3 hydra gps externes pwm signal gesteuert solar boilers VK2 Components of the basic 25Solar pump 20 8 130 PWM Hydra GPS II The Hydra GPS solar pump 20 8 130 PWM is an electronic and energy efficient pump with high efficiency. Designed for solar heating applications, it is controlled via an external PWM signal (stepless speed control), ensuring maximum energy yield. Its excellent price performance ratio makes it a popular replacement in many systems, such as the Grundfos UPM3 Solar 15 75. Advantages of the solar pump: EEI0. 21 developed
