8" Ventis Class-A All Fuel Chimney Galvanized Wall Pass-Thru Thimble Non-Insulated - VA-WPT08 Eco-55 Single-Sided

Single-Sided

Output BTU/H: 11

which is important for your safety

or three sided bay

This useful object serves several purposes

8" Ventis Class-A All Fuel Chimney Galvanized Wall Pass-Thru Thimble Non-Insulated - VA-WPT08 Eco-55 Single-SidedThis Ventis Class A wall thimble provides the UL 103 HT listed clearance and finished opening required for routing chimney pipe safely through a combustible wall. Its rigid, insulated construction maintains proper clearance to combustibles while sealing out drafts and pests. 430 alloy stainless steel outer casing 0. 016" thickness 2" clearance to combustibles Outer wall is 2. 5" larger than inner wall Clean, smooth exterior finish Less likely to