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Lock-Top II 13 in. x 17 in. Base Chimney Cap and Damper Combo

Lock-Top II 13 in. x 17 in. Base Chimney Cap and Damper Combo

$361
89
Was $449.99
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Product Details

Manufacturer: Lock-Top
Lock-Top Part Numbers: 09509
Item Number: CPF-09509
This chimney cap comes with a built in damper with a 3/4 inch mesh. The cop and damper are made from stainless steel and cast aluminum. the damper is sealed tight with a silicone rubber gasket. The unit is fully assembled for easy installation. All the additional hardware is included for the install. A thirty foot steel cable is included for damper control. The chimney cap with the built in damper carries a lifetime warranty.

Please Note: Do not use dampers with gas logs. Failure to open could cause carbon monoxide to back up into your home. In case of a gas leak, gases could become trapped in the flue, resulting in an explosion

Customer Q&A with Product Specialists

Bryant B. from Truxton, NY asked:
My chimney dimensions on the inside are 10x15. From the description of your chimney cap w/ flue the 8x13 would accommodate my flue.
My chimney dimensions on the inside are 10x15. From the description of your chimney cap w/ flue the 8x13 would accommodate my flue.
This cap/damper combo fits flues with inside dimensions ranging from 9" x 14" up to 12-1/2" x 17-1/2.  So, yes, this will work on a flue with a 10" x 15" inside opening.  
Answered by: Tyler M. on Nov 06, 2025

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Customer Reviews

Lock-Top II 13 in. x 17 in. Base Chimney Cap and Damper Combo
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Dace
Verified Buyer Check Mark Verified Buyer

Exactly what I needed

Amazing product for the price.
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Steve
Verified Buyer Check Mark Verified Buyer

Stopped the summer down drafts

I have a ranch with a wood stove in the finished basement. In the summer I get stinky down drafts. This product solved that problem. Easy to install, it comes with everything needed. I would change the locking mechanism, thought. To close it you pull the cable and slide the chain into a bracket with a slot cut in it. The problem is, if you can't quite get a full link in the slot, you're forced to let open slightly to align the next link. Not a big deal but I'd change it to allow a positive closure every time.

Pros

Quality, ease of installation

Cons

Locking mechanism
4.5
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
2 Reviews
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