Cozy Heating Systems 70066 Wall Thimble Gasket 11x11 Inch

The Cozy Heating Systems 70066 Wall Thimble Gasket is an OEM replacement gasket designed for Cozy direct vent wall furnaces. This gasket measures 11 inches by 11 inches and provides a critical seal for the wall thimble assembly that houses the exhaust and air intake tubes passing through the exterior wall.

Key Features:

• OEM factory replacement part ensuring proper fit and performance
• 11x11 inch square gasket for wall thimble assembly sealing
• Heat-resistant material designed for direct vent applications
• Prevents air infiltration and maintains proper furnace operation
• Essential component for safe and efficient furnace venting

Compatible with Cozy direct vent wall furnace models including CDV15, CDV25, CDV30, and CDV33 series. The wall thimble gasket creates an airtight seal between the wall thimble assembly and the interior wall surface, ensuring that combustion gases are properly vented and preventing drafts or air leakage. This gasket should be inspected during routine maintenance and replaced if damaged, deteriorated, or compressed to maintain proper furnace efficiency and safety.