Innovative
Innovative combination of appearance, intelligence and technology.  

High Efficiency
Over 92% AFUE and 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.