DuraVent - DVL 7" & 8" Inner Diameter Decreaser
Use to decrease the appliance outlet only when approved by the appliance manufacturer or authority having jurisdiction.
*IMPORTANT: The diameter of the stovepipe (connector) and chimney should match the outlet size on the appliance. Decreasing chimney diameter even 1” can affect draft and have serious negative impact of chimney performance. Please check the stove manufacturer’s venting instructions closely prior to installing a DECREASER. Be careful to use these components only when appropriate.
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