Install a range hood in a high-ceilinged room with this Thermador chimney extension kit. It adds 6 inches to fill the space between the hood and an 8-foot ceiling.
Q: Does this duct cover come with the necessary hardware?
A: Yes, the hardware is included with this duct cover.
Q: What is the weight of this duct cover?
A: This duct cover weighs 4.4 pounds.
Q: What is the height of this duct cover?
A: This Thermador chimney extension kit is 6 inches high.
Q: What is the finish of this duct cover?
A: This duct cover has a stainless steel finish.
Q: Which PROFESSIONAL SERIES hood is this compatible with?
A: This duct cover is compatible with the PROFESSIONAL SERIES HPCN48WS hood.
Q: very interested in this product I need dimensions please thank you
A: Hello Brad, thank you for your question and interest in our products! The dimensions for this duct cover, model# CHMHP486W, are as follows: (HxWxD) 6" x 32 7/8" x 14 1/16". If you have additional inquiries, please contact our Customer Care team at 800-735-4328 for real-time assistance. Thank you for considering Thermador!
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Install a range hood in a high-ceilinged room with this Thermador chimney extension kit. It adds 6 inches to fill the space between the hood and an 8-foot ceiling.

Use this Thermador duct cover to add more height to the existing chimney hood. It's made of stainless steel to resist heat damage, and it's engineered to fit 36-inch units.

Lengthen the height of your low profile island hood with this Thermador chimney hood extension. It's suitable for 12-foot ceiling applications when more material is needed.

10-inch round, universal make-up air damper kit for use with any Zephyr range hood motor operating over 300 CFM and up to 1,200 CFM. When range hoods exhaust air out of your home, negative air pressure is created unless the exhausted air is replaced by fresh outdoor air. Zephyr’s make-up air damper is designed to balance the air pressure in your home by automatically opening to allow fresh air in while the range hood is operating.