WELLS HVAC / WELLS PLUMBING
HVAC / WELLS HVAC

MAC COMBI MODULATING CONDENSING GAS BOILER

“The Intelligent Condensing Approach”

COMBI MODELS

Boiler With Artificial Intelligence (AI) Control Technology

• Automatically sets up the boiler during initial startup
• Recognizes natural or LP gas, no conversion kit required
• Continuously monitors combustion and adjusts gas and air flow to optimize combustion and fuel savings
• User interface displays temperature status symbols and self diagnostics

95% AFUE, ENERGY STAR® Certified

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  • 95% AFUE, ENERGY STAR® Certified
  • AI Control Technology, Auto Commissioning and Continuous Calibration functions optimize combustion and result in lower fuel costs. Control Panel features a backlit digital display that indicates boiler status, temperature and diagnostics.
  • 6.9:1 Turndown Modulation Ratio in DHW Mode (MAC-115)
  • 7:1 Turndown Modulation Ratio in DHW Mode (MAC-150, MAC-205)
  • 5.6:1 Turndown Modulation Ratio in Heating Mode (MAH-100, MAC-115)
  • 5.7:1 Turndown Modulation Ratio in Heating Mode (MAH-125, MAC-150)
  • 5.5:1 Turndown Modulation Ratio in Heating Mode (MAH-165, MAC-205)
  • Flow Rate in DHW Mode:
  • 5.0 GPM @ 70° F rise (MAC-205)
  • 3.5 GPM @ 70° F rise (MAC-150)
  • 2.5 GPM @ 70° F rise (MAC-115)
  • Primary/Secondary LABOR SAVER™ Manifold Included
  • Heat Exchanger: 316L Stainless Steel Heat Exchanger and Burner. MAC-205, MAC-150 and MAC-115 are 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.
  • Built in load matching Pump contributes to savings in electrical usage.

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