Three Rinnai HD70e units were installed to cater for 14 showers running at the same time. The system compromises of the following:

  • Three HD70e external gas water heaters having an output power of 54.7kW each.
  • MEC system digital sequencing board.
  • Auto indicate that the system is running on spare gas.


  • Instant and infinite amount of hot water.
  • The digital sequencing board offers full modulation of the three water heaters put to 164kW of power.
  • Reliable system and low maintenance.