The ROS Pellet system, made up of the Concentric Piping, Double Wall and Single Wall ranges and manufactured by ROS Chimneys, is suitable for making airtight installations for appliances up to 70 kW that use pellets as fuel.
The conditions and indications for the installation of this system are gathered in the Document Technique d'Application (DTA) n° 14.2/22-2307_V1, issued by the CCFAT (Commission Chargée de Formuler les Avis Techniques).
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