Chimney Spinner Cowl 4'' / 100 mm - Stainless Steel Rotating Chimney Cap – Smoke Extractor, Wind-Driven Draft Improver for Chimneys & Ventilation Systems – Denvel®

• SUITABLE FOR Ø 100 mm / 4" FLUE PIPES: Designed for chimney and ventilation pipes with an external diameter of Ø100 mm / 4 inch. Please measure the outside diameter of your pipe before ordering to ensure the correct fit and secure installation.
• WIND-DRIVEN ROTATION FOR BETTER PERFORMANCE: The rotating head is driven by wind to support flue gas extraction, improve chimney draft and airflow, and help reduce downdraught and smoke backflow in changing weather conditions.
• SMOOTH OPERATION WITH REPLACEABLE BEARINGS: Equipped with durable replaceable bearings immersed in special thermal oil for quiet rotation, reduced wear and extended service life. For optimal performance and longer bearing life, installation at least 5 metres from the heating appliance is recommended.
• DURABLE STAINLESS STEEL CONSTRUCTION: Manufactured in the EU from AISI 430 stainless steel with a stable bearing base for reliable long-term outdoor use and resistance to weather exposure.
• FOR CHIMNEY & VENTILATION APPLICATIONS: Suitable for wood, coal, pellet and gas heating systems. Designed as a practical and attractive finishing solution for chimney and ventilation pipes.

Choose the size based on the outer diameter of your flue pipe. For exhaust pipe 100 mm (outer diameter). Stainless steel construction made of stainless steel AISI430, material thickness 0.4 mm and 0.5 mm. Comes with a durable ball bearing base. Used on fireplaces with the following fuels - coal, gas and pellets. For wooden fireplaces, the chimney must be at least 5-6 metres long. Because the high temperature in the chimney pipe can affect the work of the bearing. Prevents the retraction of the exhaust gases, facilitates the suction effect, improves combustion, protects the chimney from external influences such as rain or snow. The attachment is ball bearing mounted and makes absolutely no noise during the spider.