Description
What a wall thimble does
The thimble lines the framed hole where the chimney passes through the wall and holds the pipe centered so it keeps its clearance from combustibles. Its round plates trim out the opening on both sides. A thimble isn’t required in a fully noncombustible concrete wall.
What makes MightyVent different
- Telescoping sleeve. Two stainless sleeves, each 5.79″ long, slide inside each other to match your wall thickness.
- Centered pipe opening. The 304 stainless face plate has a 6.46″ opening that holds the 6.30″ pipe centered.
- UL listed. Part of the MightyVent UL 103 Type HT chimney system.
Specifications
- Fits: MightyVent 4″ insulated pipe (6.30″ OD); pipe opening 6.46″
- Framed opening: 10.5″ × 10.5″ inside dimensions (per the MightyVent instructions, Table 1)
- Wall thickness: 6″ to 11″
- Plates: 12″ round, one on each side of the wall
- Sleeves: 10″ (two telescoping sleeves), each 5.79″ long
- Materials: 430 stainless steel, with a polished 304 stainless steel face plate.
- Listing: part of the MightyVent UL 103 Type HT chimney system
⚠ Warning: California Proposition 65
Use of this product can expose you to chemicals including soot, creosote, wood dust, and wood smoke containing carbon monoxide, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Learn more about how the thimble fits together and how to customize it for thinner walls
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