Building Management System BACnet and Modbus Interface ETH-1000/MIRIUS

Connect an A. O. Smith water heater to your building management system.


  • Use the interface control to enable/disable the water heater
  • Change temperature set points and differentials
  • Two models with four different configurations to connect to BACnet and Modbus
  • Ethernet and Serial RS-485 versions available
  • Works with Cyclone® (BTH, BTHL, BTHS and BTX(L)-100), Gold XiTM DVE, Heavy-Duty Custom XiTM DSE and Dura PowerTM XiTM DVE/DHE models