638-012

This premium 4-inch by 35-inch chimney liner is a critical component for the safe exhaust of combustion gases in residential heating systems. Designed for high-performance venting, this metal liner is ideal for relining masonry chimneys to ensure proper draft and prevent the buildup of hazardous fumes. It is commonly used with gas-fired appliances such as furnaces, water heaters, and boilers. Its durable construction provides excellent resistance to heat and corrosion, ensuring long-lasting reliability and improved efficiency for your home's HVAC system. Whether you are performing a routine maintenance upgrade or a full chimney restoration, this venting solution helps maintain a clear path for exhaust, protecting your structure from moisture and flue gas damage.
Type: Metal Venting
Size: 4-inch diameter
Dimensions: 35 inches × 4 inches × 4 inches
Application: Used for venting gas-fired heating appliances, including furnaces, boilers, and water heaters, through masonry or prefabricated chimney systems.
Specifications: Heat-resistant metal construction; suitable for Category I gas appliances; 4-inch diameter; 35-inch total length.