- High efficiency with AFUE up to 95.1%
- Outdoor sensor for automatic boiler water temperature reset
- State-of-the-art sealed modulation combustion system with hot surface ignition.
- Patented 316L stainless condensing heat exchanger provides ultimate efficiencies
- High-capacity plate heat exchanger on combination models provides ample domestic hot water
- With Ti-150C, provides not only space heating but also domestic hot water (DHW) supply