| Model | Flow Capacity | Hot Water Outlet Connection Size |
| DF15W40 | 15 gpm (57 lpm) | 1″ (25 mm) |
| DF35W40 | 35 gpm (132 lpm) | 1-1/2″ (38 mm) |
| DF65W50 | 65 gpm (246 lpm) | 2″ (51 mm) |
| DF90W80 | 90 gpm (341 lpm) | 3″ (76 mm) |
| DF120W80 | 120 gpm (454 lpm) | 3″ (76 mm) |
| DF15WDW40 | 15 gpm (57 lpm) | 1″ (25 mm) |
| DF35WDW40 | 35 gpm (132 lpm) | 1-1/2″ (38 mm) |
| DF65WDW50 | 65 gpm (246 lpm) | 2″ (51 mm) |
| DF90WDW80 | 90 gpm (341 lpm) | 3″ (76 mm) |
| DF120WDW80 | 120 gpm (454 lpm) | 3″ (76 mm) |
| DF15WE40 | 15 gpm (57 lpm) | 1″ (25 mm) |
| DF35WE40 | 35 gpm (132 lpm) | 1-1/2″ (38 mm) |
| DF65WE50 | 65 gpm (246 lpm) | 2″ (51 mm) |
| DF90WE80 | 90 gpm (341 lpm) | 3″ (76 mm) |
| DF120WE80 | 120 gpm (454 lpm) | 3″ (76 mm) |
| DF15WEDW40 | 15 gpm (57 lpm) | 1″ (25 mm) |
| DF35WEDW40 | 35 gpm (132 lpm) | 1-1/2″ (38 mm) |
| DF65WEDW50 | 65 gpm (246 lpm) | 2″ (51 mm) |
| DF90WEDW80 | 90 gpm (341 lpm) | 3″ (76 mm) |
| DF120WEDW80 | 120 gpm (454 lpm) | 3″ (76 mm) |
Digital-Flo® Boiler Water PHE is a pre-piped packaged water heating solution with an integral Brain® Digital Recirculation Valve (DRV) for hot water system water temperature control.
Engineered exclusively for continuously recirculated hot water systems, The Brain® improves system performance and safety by delivering a consistent pre-set temperature to the points of use.
User safety and overall system health is maintained by a series of programmable temperature alerts, onboard operational self-diagnostics, and a thermal disinfection option.
Digital-Flo® is available with single wall or double wall heat exchangers in 4 standard sizes with >160°F (71°C) and <160°F (71°C) models.
