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๐ฅ Master your fireโs flow, own the warmth all night long!
The S4Uยฎ 6" Cast Iron Flue Pipe Damper is a durable, universal-fit inline damper designed for woodburning stoves. Featuring a robust cast iron butterfly valve with a chrome spindle, it allows precise control of airflow to optimize heat output and enable overnight burns. Easy to install in vitreous enamelled flue pipes, itโs a must-have upgrade for efficient, customizable stove performance.










| Asin | B07BMWJTB1 |
| Batteries Included | No |
| Batteries Required | No |
| Best Sellers Rank | 180,897 in DIY & Tools (See Top 100 in DIY & Tools) 67 in Fireplace Exhaust Pipes |
| Customer Reviews | 4.7 4.7 out of 5 stars (107) 4.7 out of 5 stars |
| Date First Available | 22 Mar. 2018 |
| Guaranteed Software Updates Until | unknown |
| Item Weight | 480 g |
| Manufacturer | S4U |
| Package Dimensions | 25 x 23 x 2.2 cm; 480 g |
| Size | 6" Flue Damper |
User
Easy to install and it works
I have bought three of these over the last 30 years. A very clever design, dead easy to fit and it works a treat!
User
Perfect
Great quality. Easy to install too.
User
Solidly made
Good product, fits perfectly and is solidly made for the price
User
Easy to use, easy to install
Small but durable item that is easy to install, good to adjust and controls the airflow in your flue pipe very well.
User
Close but no cigar.
The damper is fitted and working well.However , not until I put it in a vice and adjusted the angle of the handle, this was needed to prevent the spring from slipping off of the shank and rendering the whole thing useless.
User
Great
Yes
User
A must have for long flues
Fitted this in 10 minutes and the extra control on flue draw is brilliant, would definitely recommend
User
Great product
Great product, make sure you get the holes level when installing. Bit of a pain to remove once it's in and you need to sweep the flue. Gives an extra level of fire damp if you have a burner that won't fully shut down or live in a windy area.
Trustpilot
2 weeks ago
2 weeks ago