Flue dampers
A plain 7 inch cast iron damper from a stove pipe maker, with 63 ratings at 4.7 out of 5.
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.
Imperial gives a nickeled spring handle, a long pointed stem and cast iron.
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.
No.
A nickeled spring.
This model is listed on Amazon.com, at ≈ $12 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 14, 2026.
A 7 inch stove pipe.
Same shelf, nearest prices. We list only specifications every stove states — gaps compare nothing.
| Model | Price | Material |
|---|---|---|
| Imperial BM0052-A Cast Iron Damper, 7 in | $12 | Cast iron |
| showingo BM0051-A Cast Iron Damper, 6 in | $16 | Cast iron, steel handle |
| XiHu BM0053-A Cast Iron Damper, 8 in | $23 | Cast iron |
| Flueblocker Wool Flue Plug, 5 to 6 in Round | $35 | 100% Herdwick wool |
At $12, it sits -48 % 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 cast iron damper for 6 inch single-wall pipe, that warns you never to close it fully.
Best for: A 6 inch single-wall connector.
An 8 inch cast iron damper, and only 2 ratings.
Best for: An 8 inch connector.
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 24-gauge elbow from a known chimney brand, with die-formed ends that need no crimping.
Best for: A DuraBlack connector run.
A double-wall elbow for a DVL connector run, with wall thicknesses and clearances stated.
Best for: A DVL connector that has to turn.
The pellet elbow: Ø 80 mm (3.15 in) in 1.2 mm steel, with a rubber seal already fitted and a temperature class stated to 200 °C (392 °F).
Best for: A pellet appliance whose flue turns, where the joint has to be sealed rather than merely pushed together
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.