- High condensing efficiency 95% AFUE
- Low pressure drop, fire tube heat exchanger design
- Full modulation 100% down to 10% of full fire (10:1 turndown)
- Sealed combustion chamber
- Pre-mix ceramic fiber burner
- Low NOx system exceeds the most stringent regulations for air quality – 17ppm NOx
- Horizontal or vertical direct vent
| - Vent and air pipe lengths of up to 100 equivalent feet (each)
- Stainless steel heat exchanger with finned aluminum core fire tubes, welded construction
- ASME 30 psi (207kPa) working pressure heat exchanger
- ASME "H" stamp
- Inlet DHW filter
- Vent with PVC, CPVC or Polypropolene
- Natural gas or propane
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