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The TriBloc is a compact safety group for heating systems. It combines different functions in a single valve: bleeding, ventilation, pressure indication and pressure reduction by blowing. Expansion vessels or fill/drain valves can be directly connected to the TriBloc.


  • Four functions combined in one valve
  • Connections of components self-sealing
  • Manometer and TacoVent HyVent with automatic locking system
  • Connection provided for expansion vessel or fill/drain valve
  • Extremely compact
  • Safety valve (TÜV-approved), rotatable
  • Manometer can be mounted at front or side
  • Valve group installed and inspected as ready to use