Serranda d'aria SL versione "10" con apertura nella parte superiore

Air damper SL 10 version with cutout on top — a specialized part for SL 10 series burners. The cutout design provides a special air flow profile required for correct operation of this burner model. The damper is made of high-quality plastic that retains its shape when heated. Designed to replace a worn or damaged damper during maintenance. Proper damper operation affects combustion stability and boiler efficiency.