Bosch Tankless Water Heaters Used for Solar Thermal Applications

Certain models of the Bosch tankless water heaters are approved and designed for using Solar Thermal. Solar Thermal applications should be set up in conjunction with an indirect tank to maintain a more consistent temperature but the heater can be used for direct solar preheated water.  The maximum temperature for the solar preheated water into the Bosch tankless water heater is 140 degrees F.  The Bosch tankless water heaters that are approved for Solar preheated water are listed below:

Bosch Therm 830ES
Bosch Therm 940ES
Bosch Greentherm C950ES
Bosch Greentherm C1050ES
Bosch Therm C1210ES
Bosch Therm C1210ESC