The following drawings show the difference in performance between a conventional gas boiler and a Daikin NDJ1 condensing gas boiler. The condensing technology provides an operating efficiency of 109% and therefore an energy saving of 93%.

Highly compact unit and flexible use Many times it is very difficult to find a unit compact enough to fit in a small space. The challenge is even greater when the unit has to be installed in a cabinet or wall niche. Installation is...