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Bosch Condensing Boilers

Greenstar Boilers

With corrosion-resistant heating blocks designed to optimize clean burning combustion over an extra large surface area, the long-lasting Greenstar requires minimal servicing and reliance on spare parts. This unit comes equipped with an advanced Aluminum-Silicon alloy heat exchanger, offering increased flexibility versus traditional stainless steel.

  • 95% AFUE efficiency
  • Available in both heating-only and combi versions
  • Insulated for ultra-quiet operation
  • Compact wall-hung and floor-standing designs

Choose the Right Model

Key Factors Model Our SKU
151 kBTU ZBR42 51
151 kBTU Combi ZWB42 52

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