The Riello 40 FSD series of two stage gas burners, is a complete range of products developed to respond to any request for light industrial process.

The Riello 40 FSD series is available in two different models, with an output ranging from 12 to 220 kW, divided in two different structures.

All the models use the same components designed by Riello for the Riello 40 FSD series.

The high quality level guarantees safe working.

The Riello 40 FSD burners are fitted with a microprocessor

- based control box, with diagnostic functions. In developing these burners, special attention was paid to reducing noise, to the ease of installation and adjustment, to obtaining the smallest size possible to fit into any sort of boiler available on the market.

All the models are approved by the EN 676 European Standard and conform to European Directives for EMC, Low Voltage, Machinery and Boiler Efficiency. All the Riello 40 FSD burners are tested before leaving the factory.

Guidelines for installation of burners in conformity to EU Regulation:

A RIELLO burner (Heat Generator), where it is matched with a water-based boiler (Heater Housing) with a nominal output ≤ 400 kW, providing heat for heating purposes and heat to deliver sanitary hot water, can be installed:

- With boilers (heater housings) already in service in the field, for replacement of identical products, in conformity to Article 1, paragraph 2, point (G) of the EU Regulation No. 813/2013;

- With boilers (heater housings) on a new installation, if they have emissions complying with the requirement of Annex II, paragraph 4 of the EU regulation No. 813/2013.