Revolving chimney cowl NOS Firefighter
NOS chimney cowls (often also known as ‘Firefighter’) are used as the ends of ventilation ducts, as well as chimney, combustion, and smoke ducts. By creating a vacuum in the ducts, they support the exhaust draught and prevent back draught.
Dimensions
DoC_WE_UE_Nr_20_11_NO_PPS.pdf
