Fully condensing high-mass firetube hydronic boiler (Why High Mass?)
- 11 models from 500 MBH to 6,000 MBH
- 10:1 fully modulating turndown
- Natural gas and/or propane
- Variable flow capable
- Standard dual return connections
- Standard less than 20 ppm NOx
- Compact footprint
- 24/7 remote connectivity available
- RS-485 Modbus communication is standard, optional Protocol converter available
- Lifetime warranty on thermal stress! Optional extended warranties on parts, burner canister and fireside corrosion.
The ClearFire®-CE (CFC-E) is a compact, high-mass, fully condensing hydronic boiler, capable of variable-flow pumping, allowing for maximum operating efficiency in a variety of system applications. The ClearFire®-CE comes with superior extended, non-prorated warranties, including a lifetime warranty against thermal stress and a 15 year warranty against fireside corrosion.
Why is high-mass better for condensing boilers?









