Wall thimbles
An 8 inch DuraTech wall thimble, on a three-line listing with 5 ratings at 2.5 out of 5.
An 8 inch DuraTech wall thimble, on a three-line listing with 5 ratings at 2.5 out of 5.
Best for: An 8 inch DuraTech system.
Three lines: Class A vent pipe, galvanized, 8 inch DuraTech series.
A wall pass-through must match your chimney system, and only listed parts should go through a combustible wall. Read the installation manual, and check with your local inspector first.
The listing does not say.
8 inch DuraTech.
This model is listed on Amazon.com, at ≈ $171 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.
An 8 inch DuraTech system.
Same shelf, nearest prices. We list only specifications every stove states — gaps compare nothing.
| Model | Price | Diameter | System | Weight |
|---|---|---|---|---|
| DuraVent DuraTech 9643 Wall Thimble, 8 in | $171 | 8 in | DuraTech Class A | 6.9 lb |
| DuraVent DuraPlus Wall Thimble, 8 in | $179 | 8 in | DuraPlus | 7.5 lb |
| DuraVent 3PVL-WTS Pellet Vent Wall Thimble, 3 in | $80 | 3 in | PelletVent | 1.9 lb |
| DuraVent DuraTech 70736 Wall Thimble, 7 in | $265 | 7 in | DuraTech Class A | 6.7 lb |
At $171, it sits 0 % against the $171 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 3 inch wall thimble for DuraVent’s PelletVent system, with no text on the listing beyond the table.
Best for: A pellet stove vent through a wall.
Not a sleeve but a blanking cap — an expanding funnel with insulation, for a chimney opening that is no longer used.
Best for: An old chimney breast with a second opening nobody uses, where a bare hole is drafty and ugly
A cheap galvanized thimble, on a listing that says 6 inches in the title and 7 inches in the bullets.
Best for: A buyer who confirms the size and the code first.
A tempered steel brush for 6 inch round masonry flues, made in the USA, with 1,323 ratings at 4.7 out of 5.
Best for: A 6 inch round masonry flue.
The 8 inch round version of the Midwest Hearth wire brush for masonry flues.
Best for: An 8 inch round masonry flue.
A long-established 8 inch square brush in oil-tempered spring wire, made in the USA.
Best for: A square flue swept from the roof.
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.