The new K type CINQUECENTO series Low NOx burners Class 3 (gas side < 80 mg/kWh)), made in aluminum housing with a backward curved centrifugal impeller is studied and developed to get high performance and efficiency combined with low emissions.
In this manner this series can burn the two flues separately.

This is possible because these burners are equipped with an independent electric motor for the activation of the oil pump.

As a consequence, during gas firing the oil pump motor does not operate and remains off.
These burners are equipped with a high performance combustion head, designed to achieve a high irradiating flame when they run on natural gas.
Instead, when they run on light oil, they are equipped with a by-pass nozzle which, using a pressure regulator, can reach a modulating ratio of 1:3.

Therefore, the burners are provided with an UV photocell to control the flame during the operation.