Ultra Series 3 Gas Boiler UG-105
Details for UG-105:
- Gas fired water boiler with cast aluminum heat exchanger
- Venturi mixing body mixes air and gas providing higher efficiency
- Designed to operate in low temperature condensing applications
- Outdoor reset and domestic hot water priority standard
- Negative regulated gas valve precisely delivers gas to the boiler
- U-Control gives you the power for easy set-up and maintenance
- Modulates with 5 to 1 turn-down ratio
- Variable speed motor matches combustion output to heating needs
- High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications
- Ultra 310 93.3% efficient rating is a gross output and combustion efficiency
Technical details
| Input (Btu's/h) | 105.000 | ||||||||
| Output (Btu's/h) | 94.000 | ||||||||
| Modulating (Btu's/h) | 21.000 - 105.000 | ||||||||
| Efficiency (AFUE) | 92% | ||||||||
| Fuel | Natural or Propane | ||||||||
| Heat exchanger | Stainless steel | ||||||||
| Blower Motor | Variable Speed | ||||||||
| Gas Valve | Negative Pressure Regulated Gas Valve | ||||||||
| Burner | Stainless Steel Burner | ||||||||
| Ignition | Direct Spark | ||||||||
| Venting | 2 - 3 inch PVC/CPVC | ||||||||
| Condensing | Yes | ||||||||
| Outdoor Temperature Sensor | Yes | ||||||||
| Depth | 19 15/16 | ||||||||
| Width | 22 13/16 | ||||||||
| Height | 43 1/16 | ||||||||
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