Condensing High
Efficiency Gas Boiler
Ratings - (5 sizes)
80 MBH
105 MBH
155 MBH
230 MBH
310 MBH
All with 20-100%
Modulation
Innovative
Innovative combination of appearance, intelligence
and technology.
High Efficiency
Over 92% AFUE and up to 98% for low temperature
applications.
Attractive
The Ultra boiler features a new attractive design for
installation in any setting.
Intelligent
Features PhD 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.
High Technology
Cast mono block aluminum heat exchanger. Gas
valve, blower and venturi technology that constantly
maintains optimal air and fuel ratio at all firing
rates.