Flue dampers
An 8 inch cast iron damper, and only 2 ratings.
An 8 inch cast iron damper, and only 2 ratings.
Best for: An 8 inch connector.
XiHu gives cast iron and an adjustable handle.
A damper in the connector needs a stove whose manual allows it. Never close one fully on a live fire: CO can back up into the room. Keep a CO alarm in the room.
The listing says it seals when closed, which is exactly what you must avoid on a live fire.
8 inches.
This model is listed on Amazon.com, at ≈ $23 at the last reading. Listed is not the same as in stock: availability changes daily, and the buy box shows the live price.
Details checked on November 1, 2026.
An 8 inch connector.
Same shelf, nearest prices. We list only specifications every stove states — gaps compare nothing.
| Model | Price | Material |
|---|---|---|
| XiHu BM0053-A Cast Iron Damper, 8 in | $23 | Cast iron |
| showingo BM0051-A Cast Iron Damper, 6 in | $16 | Cast iron, steel handle |
| Imperial BM0052-A Cast Iron Damper, 7 in | $12 | Cast iron |
| Flueblocker Wool Flue Plug, 5 to 6 in Round | $35 | 100% Herdwick wool |
At $23, it sits 0 % against the $23 median of the 5 models in this category published here.
Specifications: the manufacturer sheet for wood heating equipment and the matching Amazon product page. Prices, ratings and availability: read on Amazon.com from a New York address. Every figure on this page names its source.
A wool plug that stops cold drafts through an unused flue; it must come out before any fire.
Best for: An unused fireplace or stove flue.
A short pipe section with a built-in damper and published end sizes, with 5 ratings.
Best for: A connector with no drilling.
A plain 7 inch cast iron damper from a stove pipe maker, with 63 ratings at 4.7 out of 5.
Best for: A 7 inch stove pipe.
The cheap, common 6 inch adjustable elbow, with 767 ratings at 4.5 out of 5 and a listing that says little else.
Best for: A standard 6 inch single-wall connector.
A shield that clips over a 90 degree elbow where clearance is short, for 5 to 8 inch pipe.
Best for: A tight elbow near a wall.
A 5 inch adjustable elbow for older stoves, on a listing with no text at all.
Best for: An older 5 inch stove.
The price beside each product is fetched as this page opens, and it is the only figure here that is current. Any amount written into the prose was read once, on the day that sentence was written, and nothing has refreshed it since.