The Armstrong Digital-Flo® Semi-Instantaneous heater uses digital technology featuring The Brain® Digital Recirculating Valve to offer a level of hot water system temperature control accuracy previously considered unattainable.

Digital-Flo® Vertical Water Heater
- Featuring The Brain® – ASSE 1017 certified Digital Recirculating Valve.
- Choose from 16 standard assemblies or customize.
- Compact vertical design – Small footprint.
- Simple tube bundle access.
- Optional SAGE™ Building System interface with integral data-logging to support AHSRAE 188 Monitoring and Reporting Compliance.
- Water temperature raised above Legionella survival levels on every recirculation cycle.