- 95% AFUE , ENERGY STAR® Certified
- AI Control Technology, Auto Commissioning and Continuous Calibration functions optimize combustion and result in lower fuel bills. Control Panel features a backlit digital display that indicates boiler status, temperature and diagnostics.
- 93.5 MBH – 205 MBH
- 6.9:1 Turndown Modulation Ratio in DHW Mode (115)
- 7:1 Turndown Modulation Ratio in DHW Mode (150/205)
- 5.6:1 Turndown Modulation Ratio in Heating Mode (100/115)
- 5.7:1 Turndown Modulation Ratio in Heating Mode (125/150)
- 5.5:1 Turndown Modulation Ratio in Heating Mode (165/205)
- Flow Rate in DHW Mode @ 70° F rise – 2.5 GPM (MACF-115), 3.5 GPM (MACF-150), 5.0 GPM (MACF-205)
- Heat Exchanger: Iron Chromium Stainless Steel Heat Exchanger and Burner. MACF-115/150/205 is also equipped with a Stainless Steel Brazed Plate Heat Exchanger.
- Additional Features: Assembled Boiler With Jacket, Induced Draft Fan, High Limit Sensors, 30 psi Relief Valve, Low Water Pressure Switch and Temperature/Pressure Gauge.
- Build-In Load Matching Pump contributes to savings in electrical usage.
Outdoor Temperature Sensor, Indirect Tank Sensor
Our AI control technology is programmed to recognize an Indirect Tank. H2O Indirect Hot Water Heaters are available in 30 to 115 gallon capacities and feature 316L stainless steel construction and top connections for an easy installation.
(See Installation, Operation and Maintenance Manual for complete instructions)