SFC-199 Superflow Combi Boiler (199 MBH)


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The only fully condensing combi boiler on the market. You expect your combi boiler to provide enough hot water for both your kitchen and bathroom, as well as enough heat to make your home cozy and warm. Our SFC Combi is designed to do just that. Whatever your exact heating and hot water requirements may be, our SFC combi boiler is sure to be a perfect match for you.


  • Mount > Connect > Plug-in > Enjoy endless heat & hot water
  • 2 independent copper waterways embedded in a cast aluminum block
  • A total of 5 moving parts - Unparalleled in the industry (Fan, Pump, Bypass Valve, Gas Valve & Damper)
  • New illuminated touchscreen control display panel
  • Contractor friendly, reduced internal parts, easy to install, maintain and service.


  • 30-year track record, 2 million installations worldwide
  • Innovative state of the art electronic control
  • Compatible with standard Propylene Glycol
  • Built-in bypass valve to prevent temperature fluctuations (SFC 199)
  • No need for a 3-way valve or secondary DHW plate heat exchanger
  • Will accept a 0-10 VDC signal


  • Up to 96% AFUE with full ASME-rated heat exchanger
  • Packaged with a high-efficiency variable speed pump (ECM)
  • Outdoor reset technology increases efficiency by lowering the water temperature automatically
  • Advanced modulating temperature control