U-Tube Double Wall

  • Steam-to-water water heater
  • Compact, tankless design
  • Available in three models


Bare Heater

Heat exchanger only; insulation optional.


Packaged Heater

Shipped as a complete system ready for immediate hook-up; includes heat exchanger, patented AERCO steam control valve and electronic controls package.


Electronic Controls

AERCO's exclusive electronic control system combines a control box assembly with all circuitry, a flow meter installed at the cold water inlet for feed-forward sensing, feedback sensors and voltage regulator. To maintain optimal temperature control, the system utilizes PID algorithms to monitor outlet temperature and change control valve position. Easy-to-use digital displays are protected by clear-cover enclosure which can be locked. The system also includes an overtemp limit switch.


Modbus Communications

Optional control board supports remote control and integration via Modbus protocol to Building Automation or Energy Management Software via RS-232 or RS-485 port.


Dry Contacts

Optional for remote "High Limit Tripped Status" indication.

Technical Documents