Sigma II TOP condensing gas air heater

Compact condensing gas air heater with high thermal efficiency. Unique heat exchanger technology secures a stable air temperature and continuous condensation.
icon Thermal efficiency 109.8% (accord. to LCV)
icon Permanent condensation
icon Continuous power modulation
  • Condensing gas air heater • Seasonal energy efficiency of heating 85.7%
  • Meets N.K. (EU) 2016/2281 and 2017 / C 229/01
  • Tested according to the new standard EN 17082/2020
  • Continuous power modulation according to flue gas temperature
  • Stainless steel exchanger EN 1.4541
  • Polished stainless steel blinds
  • Remote control on request
  • Connector for local or central control
  • Device status sensor connector
  • Increased ingress protection rating to IP 54 on request
  • Wide range of accessories
  • Free commissioning
  • Warranty up to 7 years in compliance with VOSP
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