Hot water boilers

The proven Unimat type series is available in various output sizes and generates heat and hot water highly efficiently.

Bosch heating and hot water boilers can be used flexibly for heating demands from 650 to 38,000 kW. The sizing and equipment level of the products are designed to individual customer specification with many different options and variants available. The result: maximum energy efficiency, excellent conservation of resources and outstanding availability. The intelligent control technology offered by Bosch ensures convenient, fully-automatic boiler operation.

Unimat Heating Boiler UT-L
Hot water boilers

Unimat Heating Boiler UT-L

  • Three-pass boiler for a medium to high heat demand of 650 to 25,000 kW and up to 16 bar
  • Standard efficiency without flue gas heat exchanger up to 95% and up to 105% with condensing heat exchanger
  • Approved for low return flow temperatures from 50 °C and temperature spread up to 50 K
Unimat Hot Water Boiler UT-M
Hot water boilers

Unimat Hot Water Boiler UT-M

  • Three-pass boiler for a medium to high heat demand of 750 to 19,200 kW at up to 16 bar
  • Standard efficiency without flue gas heat exchanger up to 93% and up to 105% with condensing heat exchanger
  • Approved for low return flow temperatures from 50 °C and temperature spread up to 50 K
Unimat Hot Water Boiler UT-H
Hot water boilers

Unimat Hot Water Boiler UT-H

  • Three-pass boiler for a medium to high heat demand of 820 to 18,300 kW at up to 30 bar
  • Intuitive PLC-based boiler control with the highest level of operating data transparency
  • Up to 93% boiler efficiency without or up to 96% boiler efficiency with flue gas heat exchanger and up to 105% with condensing heat exchanger
Unimat Hot Water Boiler UT-HZ
Hot water boilers

Unimat Hot Water Boiler UT-HZ

  • Three-pass boiler for a very high heat demand of 13,000 to 38,000 kW at up to 30 bar
  • Extremely high control range through single/double flame-tube operation
  • Up to 93% boiler efficiency without or up to 96% boiler efficiency with flue gas heat exchanger and up to 105% with condensing heat exchanger