tubra®-eTherm are hydraulic units with integrated control for thermal storage of photovoltaic electricity to optimize self-consumption
The electrothermal station with additional functions for optimum sector coupling between electricity and heat
Solar thermal energy
Solar pump groups tubra®-PGS and Solar transfer stations tubra®-ÜSTA for collector arrays from 4 m² to 260 m²
Solar thermal energy
PGS: The pump group for solar systems – also with integrated control system
ÜSTA S/M: The solar transfer station for stratified loading
ÜSTA L/XL: The pump groups for large solar systems

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The use of solar energy for thermal applications can be realized by two very different technologies.

Solar thermal energy

With the help of solar collectors, solar heat can be transported through a water/glycol circuit to the potable hot water or buffer tank.

The pump groups for solar thermal tubra®-PGS and the solar transfer stations tubra®-ÜSTA are available in versions with and without electronic control for collector areas from 5 m² to 260 m² by cascading.

  • compact modular design
  • with speed-controlled high-efficiency pump
  • controls with pre-programmed systems for storage tank stratified charging with one or two switching valves
Scheme solar thermal
Scheme solar thermal

Product group Solar thermal

PGS 01

Rated power 13 kW
max. collector area 26 m²

see product

PGS C multi

Rated power 13 kW
max. collector area 26 m²

see product

PGS XL

Rated power 58 kW
max. collector area 70 m²

see product

ÜSTA S without regulation

Rated power 10 kW
max. collector area 20 m²

see product

ÜSTA M with regulation

Rated power 25 kW
max. collector area 50 m²

see product

ÜSTA L / XL

Nominal output 45 / 65 kW
max. collector area 90 / 130 m²

see product