Condens 7000 W ZSBR35-3A

by Bosch
  • Gas fired condensing boiler. 3 sizes of 28, 35 and 42 kW. The boiler with a closed combustion chamber with forced removal of combustion products. The ability to set the room regardless of the chimney. Designed for space heating and domestic hot water (when connecting the boiler nagerva indirect) for houses and other buildings of up to 400 square meters.
  • One of the quietest in its class boilers. Automatic power control in the heating mode and DHW mode. The heat exchanger of alloy Al-Mg-Si. The combustion gases through the chimney kaoksialnye diameter 80/125 mm. Integrated heat pump to operate in a power saving mode (only for ZWBR 35-3 A). The boiler can be connected to a system for heating the hot water from the sun (Solar). Mulitifunktsionalny display for ease of operation. The boilers can be connected in cascade. Supplied as a boiler for heating can be connected to the boiler of indirect heating (DHW).
Manufacturer Bosch
Contact Details Robert Bosch Ltd, 02660, Ukraine, Kiev, 1, Krainya, Str., tel: 0 800 300 733, fax: (044) 490 24 84, E-Mail:
Manufacture Product Details
Technology gas condensing boiler
Max Capacity in kW 35.0
Min Capacity in kW 5.6
Efficiency in % 109.0

Annual savings
Annual savings: UAH 7,200 / 5,900 kWh*

Annual energy baseline for heating 39,722kWh/a

Annual energy after replacement Condens 7000 W ZSBR35-3A

Your annual savings


1. Inclusion of the technologies, equipment and materials in the Technology Selector is based solely on qualification under IQ energy’s ‘Minimum Energy Performance Standards’** and does not constitute an endorsement of the producers or suppliers of these products by the EBRD. Although every effort has been made to present correct and up to date data, EBRD does not accept responsibility for the accuracy of the data presented.

**Included technologies ‎have been assessed to result in at least a 20% higher energy performance than the market average

2. The savings are calculated for the refurbishment of an average dwelling or the replacement of an average equipment in Ukraine. The actual savings of individual refurbishment projects/equipment can differ from the indicated savings due to specific climatic conditions, size of the dwelling/equipment, consumer behaviour, etc. The displayed energy efficiency measures only have an impact on individual household's bills (savings) if there is consumption based billing available.

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