Triangle Tube Challange Combi
- Boiler efficiency – 93.5% AFUE
- Water heater energy factor-up to .87
- inputs to 124,000 Btu/ Hr
- Whisper quiet
- On demand plentiful hot water
- Eliminates need for DHW tank
- Reliable – 10 year heat exchanger warranty
- Low NOx
- DHW low lead content certified
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