grundfos upm3 hydra gps external pwm signal controlled solar boilers 3 Temperaturdifferenzregler This makes it possible to

This makes it possible to heat domestic hot water and operate radiators or underfloor heating

Installation must be carried out by a qualified heating contractor

This makes the boiler technically designed for operation with solid fuels and the typical requirements of a boiler room

Energy efficiency index

The wood gasification boiler features a forced-draft fan to support the combustion process and stabilize the chimney draft

grundfos upm3 hydra gps external pwm signal controlled solar boilers 3 Temperaturdifferenzregler This makes it possible toSolar 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