Malm 9" Diameter 90 Degree Elbow With RAL 6002 49/52890 Powder Coat Finish sqft1560.77 I have excessive smoke coming

I have excessive smoke coming from my unit

Wall / Ceiling Telescopic Mounting Bracket Kit - 15" - 30" overhead space (check clearances to combustibles space above before ordering) includes both 15 - 22" and 22 - 30" extension legs

24 Product Width (in) 65

Simple operation and fast heating speed Simple assembly needed

Malm 9" Diameter 90 Degree Elbow With RAL 6002 49/52890 Powder Coat Finish sqft1560.77 I have excessive smoke comingWhat's Included 90 Degree Elbow Features Polyester TGIC weather resistant RAL powder coating Available in 3 diameter sizes For use with Malm Gas Units only Specifications Product Type Elbow Pipe Diameter 9" Finish RAL 6002 49 52890 Powder Coat Documents & Files Complete Powder Coat Colors Brochure