| Head Loss-Boiler Side (ft.): | 5.4' |
|---|---|
| Boiler Connection: | 1" NPT |
| BTU Input: | 300000 |
| Material: | Stainless Steel |
| Color: | Pewter |
| Working Pressure (Tank): | 150 psi |
| Capacity (Gallons): | 83 |
| Working Pressure (Coil): | 145 psi |
| Capacity (Domestic): | 80.6 Gallons |
| Warranty: | 12 Year Tank / 2 Year Parts |
| Capacity (Boiler): | 2.5 Gallons |
| DHW Operating Temp: | 180°F |
| Recommended Flow Rate: | 14 GPM |
| Height (Inches): | 59.5" |
| Diameter (Inches): | 26" |
| Weight (lbs): | 223 lbs |
| DHW Connection: | 1" NPT |

Hello GB, thank you for writing in. For the Aqua-Plus 85 the differential does not need to be set. The thermostat’s advanced software algorithm determines the optimum temperature to initiate heat calls.