High Efficiency Comfort
Ultra 3-Series Condensing Gas Boiler
Standard Features
- ASME H-stamp Heat Exchanger
- Cast Aluminum Block
- Stainless Steel Burner
- Negative Pressure Gas Valve
- Sealed Combustion and electronic ignition
- Fully packaged with:
- Taco circulator
- Sidewall vent kit
- Pressure relief valve
- Variable speed inducer fan
- Outdoor temperature Sensor
- Adjustable boiler legs
- Condensate trap with drain tee
- Easy adjustment for natural gas or propane
- Ultra Control Module With:
- Digital display and data port
- Ignition control
- High limit
- Outdoor reset
- Low water protection
- DHW priority
- Heating and DHW pump controls
- Electronic ignition
- PVC Venting Up To 100'
- Sealed combustion
- Floor Mount or Wallhung
- Features PhD Technology That Delivers Precision Hydronic Heating and Efficiency
- Maintains Optimal Air and Fuel Ratio at All Firing Rates
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| Model ID | Model Name | CSA Input Range MBtuH | DOE Capacity MBtuH | Net IBR RatingMBtuH | AFUE | Water Content Gal. | Standard Taco Pump | ||
|---|---|---|---|---|---|---|---|---|---|
| 120 | Ultra 80 | 16 - 80 | 71 | 62 | 93.0 | 0.95 | 007 | ||
| 121 | Ultra 105 | 21 - 105 | 94 | 81 | 92.0 | 1.07 | 007 | 1.57 | 2.1 |
| 122 | Ultra 155 | 31 - 155 | 139 | 123 | 93.0 | 1.17 | 0014 | ||
| 123 | Ultra 230 | 46 - 230 | 207 | 183 | 92.8 | 1.57 | 0014 | ||
| 124 | Ultra 310 | 62 - 310 | 289 | 252 | 93.3 | 2.10 | 0014 |
| Model ID | Model Name | Vent Size | Water Connection In. | Gas Connection In. | HxWxD | Weight |
|---|---|---|---|---|---|---|
| 120 | Ultra 80 | 2 or 3 | 1 | 1/2 | 43x22.75x22.1 | 199 |
| 121 | Ultra 105 | 2 or 3 | 1 | 1/2 | 43x22.75x22.1 | 207 |
| 122 | Ultra 155 | 3 | 1 | 1/2 | 43x22.75x22.1 | 234 |
| 123 | Ultra 230 | 3 or 4 | 1 | 1/2 | 43x22.75x22.1 | 246 |
| 124 | Ultra 310 | 4 | 1-1/4 | 3/4 | 43x22.75x22.1 | 297 |
- 15 Year Limited Warranty On The Heat Exchanger
- 5 Year Warranty Parts and Labor