Estremità del tubo di mira (Meku n. 196025) BNR 100, 110, 10, 20, 21, 22

End piece of sight tube (Meku No. 196025) BNR 100, 110, 10, 20, 21, 22 — an element of a gas burner device for visual flame monitoring. The part fits BNR 100, 110, 10, 20, 21, 22 series burners and has part number Meku 196025. The end piece is installed on the sight tube and protects the sight window from contamination. Used in repair and maintenance of boiler equipment, ensuring safe burner operation.