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Majestic SL300 Through The Roof Complete Venting Kit
Majestic SL300 Through The Roof Complete Venting Kit
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Majestic SL300 Through The Roof Complete Venting Kit
$863
95
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$1,059.99
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$196.04
(18%)
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Product Details
Manufacturer:
Majestic
Majestic Part Numbers:
SL300TTR-KIT-012PITCH-11FEET-8INCH
Item Number:
MAJ-SL300TTR-KIT-012PITCH-10FEET-8INCH
The Majestic SL300 Through The Roof Complete Venting Kit makes setting up your home's chimney system a breeze. This handy kit packs everything you need for a solid and dependable setup. You get a good mix of SL300 class A chimney pipe pieces, all designed to work together smoothly. Plus, it comes with a pitched-roof flashing and a termination cap that includes a storm collar, giving you great protection from the elements. To keep things extra safe, a firestop is also packed in, ensuring the SL300 pipe stays safely clear of anything flammable as it passes through your ceiling. It's a really straightforward way to get your venting all sorted out.
Please Note: Pipe lengths cannot be cut or altered.
Also Note: Pipe sections will arrive labeled as full foot increment lengths. Actual final assembled lengths are indicated by the footages listed when purchasing.
Also Note: The minimum chimney height for wood-burning fireplaces varies depending on the model. Please consult your owner manual to confirm the correct height for your application.
Customer Q&A with Product Specialists
Gauthama T.
from Lorena Texas 76655 asked:
Can the SL300 Class A kit be used with a 3kg coffee roaster through 10 feet of attic? Does the termination provide enough protection against rain and wind, and will it avoid negative pressure?
We cannot confirm the SL300 kit for use with a coffee roaster. The Majestic SL300 is Class A chimney pipe designed for compatibility with select Majestic (Hearth and Home Technologies) fireplace models. The termination cap and storm collar in this kit are tested and UL listed for use with specific Hearth and Home Technologies fireplaces, as detailed in the termination cap installation manual. Our product information and the manufacturer's documentation do not cover coffee roasters, so we cannot verify if this cap offers adequate rain and wind protection or the necessary draft performance for your roaster. Please adhere to the exhaust venting requirements specified by your coffee roaster manufacturer and confirm the approved venting with them and your local building code office before making a purchase.
Answered by:
Kathy O.
on Sep 28, 2026
Harold T.
from Monroe VA asked:
Do you make a kit for a 6-inch pipe?
This venting kit is manufactured by Majestic in an 8-inch inner diameter only, so we do not offer a 6-inch version of it. The Majestic SL300 Through the Roof venting system uses double-wall pipe with an 8-inch inside diameter across every length and pitch option we carry.
Answered by:
Tyler M.
on Sep 15, 2026
Jason L.
from PA asked:
I am looking to purchase the Majestic SL300 Through The Roof Complete Venting Kit. For the 21' 5" configuration, will I receive five 48" lengths? I also need two 30-degree elbows, a storm collar, and a rain cap. This installation will be in an existing chimney chase with a Majestic prefab fireplace. Please send a total with an invoice to jaybird2011us@gmail.com as soon as possible.
The "21 Feet, 5 Inches" version of this kit includes five 48" pipe lengths and one 24" pipe length. The total height, accounting for pipe joint overlap, equates to the listed 21' 5". We can certainly quote this kit for you along with the two 30-degree elbows you require. To proceed with a quote, please provide your shipping zip code. IMPORTANT: The Majestic SL300 pipe is only compatible with select Majestic fireplace models. To ensure compatibility, please confirm your specific Majestic fireplace model information.
Answered by:
Tyler M.
on Jul 23, 2026
David B.
from Maine asked:
Is this A or B pipe? Looking for 9 feet of pipe.
The Majestic SL300 Through The Roof Complete Venting Kit uses SL300 Class A chimney pipe. This type of pipe is designed for compatibility with specific Hearth and Home Technologies appliances. While the pipe lengths cannot be cut or altered, various lengths are available, including an option of 9 feet 9 inches. You can view the specific product here: Majestic SL300 Through The Roof Complete Venting Kit.
Answered by:
Aaron D.
on Mar 30, 2026
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4 Questions and Answers
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