The Ultra with PhD (precision hydronic data) Technology® is a condensing high-efficiency gas boiler available in five sizes. With ratings ranging from 80 to 310 MBtuh, the boilers have 20-100 percent ...
Description: The wall-mount line of combination and heat only boilers have an energy saving AFUE rating of 95 percent. The updated energy-efficient units combine the warmth of high-efficiency space ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback