Opus Cylindric Calypso Boiler Stove

The Opus Calypso is a stunning contemporary woodburning boiler stove which can heat your room and provide hot water for bathing and heating. With over 60% of the output going to water, a tested heat spread of between 5kW and 11kW, and an 84% efficiency, it is well suited for meeting the heating demands of a modern house or being linked in with an existing boiler.

The Calypso is the only boiler stove on the market that comes pre-plumbed, with the pipework, overheat safety valve, manual air vent and pressure relief valve already in place behind the back panel. It can be installed in open vented or pressurised systems and is DEFRA Exempt for burning wood in Smoke Control areas.

Technical Data

  • Height: 1166mm
  • Width: 565mm
  • Depth: 462mm
  • Flue Diameter: 150mm
  • Fuel: Wood
  • Nominal Heat Output: 8.3kW
  • Efficiency: 83.9%
  • Nominal Output to Water: 4.9kW
  • Nominal Output to Room: 3.4kW


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