Condensing Combi Boilers

Instinct Combi

 Icon
The future in high-efficiency condensing boilers with over 5 GPM of domestic hot water.
  • NEW - Market-leading Warranty Program with up to 6-Years Parts, 3-Years Labor Allowance and 10-year Primary Heat Exchanger Warranty
  • Stainless Steel Fire Tube Heat Exchanger
  • Industry Leading Performance with 5+ GPM Hot Water while Fully Condensing
  • Turndown ratio up to 8:1
  • Efficiency Rating of 95%
  • CTRLMAX Control System with 60 Second Set-up
  • 3 in 1 Universal Vent Adapter
  • ASME Certified
  • Natural Gas or Propane
Prestige Condensing Combi Boiler

Prestige Excellence

Prestige Condensing Combi Boiler Icon
High efficiency wall mounted gas condensing boiler. 95% energy efficient. Available in a broad range from 80 to 399 MBTU.
  • 439 Stainless Steel Fire Tube Heat Exchanger
  • Turndown ratios up to 5.5:1
  • South Coast Air Quality Management District Listed
  • NEW Market-leading Warranty Program
  • Efficiency Rating of 95%
  • ASME Certified
  • Energy Star Listed
  • Natural Gas or Propane
  • Fully Modulating
  • Quiet Operation
Challenger Combi Condensing Boiler

Challenger Combi

Challenger Combi Condensing Boiler Icon
High Efficiency Space Heating and Domestic Hot Water in a Compact Package
  • Energy Efficiency with 94% AFUE
  • Condensing efficiency in both Space Heating and DHW modes
  • Low NOx – meets SCAQMD requirements
  • Dual core heat exchanger with glycol compatible copper waterways
  • Domestic hot water produced directly in the primary heat exchanger for lower maintenance
  • Advanced control with near 4:1 modulation and standard outdoor reset
  • Concentric venting standard on initial production (two-pipe PVC, CPVC, AL29-4C available in Q2, 2011)
  • Compact size for closet installation
  • Whisper-quiet operation

Product Comparison

Model Fuel Input Modulation (mbh) Turndown AFUE DOE Heating Capacity (mbh) Net AHRI Rating (mbh) DHW Flow Rate 70F (gpm)
Instinct 155 NG/LP 19 to 155 8 : 1 95% 142 123 4.0
Instinct 199 NG/LP 24 to 199 8 : 1 95% 184 159 5.3
Prestige Excellence NG/LP 20 to 110 5.5 : 1 95% 102 89 3.0
Challenger 105 NG/LP 29 to 106 4.08 : 1 94% 94 82 2.5
CC 125 NG/LP 20 to 125 6.3 : 1 95% 111 97 3.0