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 CycloneTM (BTH, BTHL, BTHS and BTX(L)-100), Gold Xi DVE, Heavy-Duty Custom Xi DSE and Dura-PowerTM Xi DVE/DHE models