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
Smart Technology & Style
  • 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
Control and Safety
  • Features PhD Technology That Delivers Precision Hydronic Heating and Efficiency
  • Maintains Optimal Air and Fuel Ratio at All Firing Rates

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Ultra Energy Star ASME
Model IDModel NameCSA Input
Range MBtuH
DOE Capacity
MBtuH
Net IBR
RatingMBtuH
AFUEWater
Content Gal.
Standard
Taco Pump
120Ultra 8016 - 80716293.00.95007
121Ultra 10521 - 105948192.01.070071.572.1
122Ultra 15531 - 15513912393.01.170014
123Ultra 23046 - 23020718392.81.570014
124Ultra 31062 - 31028925293.32.100014
Model IDModel NameVent
Size
Water
Connection In.
Gas
Connection In.
HxWxDWeight
120Ultra 802 or 311/243x22.75x22.1199
121Ultra 1052 or 311/243x22.75x22.1207
122Ultra 155311/243x22.75x22.1234
123Ultra 2303 or 411/243x22.75x22.1246
124Ultra 31041-1/43/443x22.75x22.1297
  • 15 Year Limited Warranty On The Heat Exchanger
  • 5 Year Warranty Parts and Labor

Registration Map