This 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 corrode
• Provides smooth and efficient airflow
• Secure, tight connection prevent leaks and drips

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Documents

• Olympia Warranty Explainer
• Ventis ClassA AllFuelChimney-Manual