Lennox 63P46 - Metal Fab 4M5, 4" x 60" Type B Double Wall Vent Pipe Length
The Lennox 63P46 (Metal Fab model 4M5) is a premium 4" x 60" Type B double wall vent pipe designed for efficient and safe venting of gas appliances. Engineered to meet rigorous UL 441 standards, this pipe features an aluminum inner liner and galvanized steel outer wall, providing superior heat resistance and durability. The double-wall construction reduces clearance to combustibles and improves appliance efficiency by maintaining hotter flue temperatures.
Ideal for residential and light commercial applications, this 60-inch section connects securely with other Metal Fab Type B components, offering a quick-lock twist connection that simplifies installation while ensuring a reliable seal.
Application: Natural gas and propane appliance venting
Certification: UL 441 listed
Connection Type: Twist-lock for secure and easy assembly
Whether you're installing a new heating system or replacing venting components, the Lennox 63P46 provides the dependable performance and safety you need.
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