Condensing High Efficiency Gas Boiler- Water 80, 105, 155, 230 and 310 MBH with 20-100% Modulation
- Combination of appearance, intelligence and technology.
- Over 92% AFUE and 98% for low temperature applications.
- The Ultra boiler features a new attractive design for installation in any setting.
- Features PhD (Precision Hydronic Data) Technology - an intelligent system that delivers Precision Hydronic heating and hot water needs while maximizing efficiency by measuring and responding to the Data parameters of your heating system.
- Cast mono block aluminum heat exchanger. Gas valve, blower and venturi technology that constantly maintains optimal air and fuel ratio at all firing rates.