FIX IT FAST, WITH OUR PARTS!

We only ship within the United States

Lennox 54P77 – Selkirk AF35-03 Aluminum Flexible Chimney Liner Kit, 3 Inch x 35 Foot, HVAC Venting System

Brand:
Reviews (0)
SKU
54P77

Lennox 54P77 – Selkirk AF35-03 Aluminum Flexible Chimney Liner Kit, 3 Inch x 35 Foot, HVAC Venting System

SKU
54P77
Brand:
Reviews (0)

Lennox 54P77 – Selkirk AF35-03 Aluminum Flexible Chimney Liner Kit is a 3 inch x 35 foot flexible flue liner designed for safe and efficient venting of gas-fired HVAC and heating appliances. Made from durable aluminum, this Flexi-Liner kit is ideal for chimney relining, improving draft performance, and helping reduce condensation and corrosion in residential heating systems. Suitable for professional HVAC installations and chimney retrofit applications.

$222.30
Out of stock

(special order is available)

Product Overview:

Lennox 54P77 – Selkirk AF35-03 Flexi-Liner Aluminum Flexible Chimney Liner Kit is a complete 3 inch x 35 foot chimney relining solution designed for safe, reliable venting of gas-fired heating appliances. This flexible aluminum liner is engineered to improve chimney draft, reduce condensation issues, and extend the service life of existing masonry chimneys in residential HVAC applications.

Manufactured from corrosion-resistant aluminum, this Flexi-Liner kit is ideal for retrofitting older chimneys or replacing deteriorated venting systems. Its flexible construction allows for easier installation through offsets and bends, making it a preferred choice for professional HVAC technicians and chimney service applications.

Key Features:

– Aluminum flexible chimney liner for gas appliance venting
– 3 inch diameter, 35 foot length for common residential installations
– Improves draft performance and venting efficiency
– Helps reduce moisture buildup and flue gas condensation
– Flexible design allows installation through curved or offset chimneys
– Suitable for chimney relining and retrofit applications
– Designed for use with approved gas-fired heating equipment

Applications:

This Selkirk Flexi-Liner kit is commonly used for relining chimneys serving gas furnaces, boilers, and other Category I gas appliances. It is ideal for residential HVAC systems where proper venting is critical for safety, performance, and code compliance.

Why Buy from Beenimax:

Beenimax supplies trusted OEM and industry-approved HVAC venting solutions for contractors and homeowners alike. Each product is carefully sourced to ensure compatibility, durability, and long-term performance in real-world heating applications.

Specifications:

Brand: Selkirk
Lennox Catalog Number: 54P77
Manufacturer Part Number: AF35-03
Product Type: Aluminum Flexible Chimney Liner Kit
Diameter: 3 Inch
Length: 35 Foot
Material: Aluminum
Application: Gas appliance chimney venting and relining

For proper fit and safe operation, always verify appliance requirements and local code compliance before installation. This product is intended for professional HVAC and chimney service use.

More Information
Package Quantity1 Item
Item ReturnsThis item can be returned