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The Selkirk 2003617 is a Model R Type B Gas Vent Round Pipe designed for reliable venting of gas-fired appliances in residential, commercial, and industrial settings. This pipe measures 10 inches in diameter and 36 inches in length, making it a standard choice for medium to large venting systems. Type B gas vent pipe is engineered specifically to handle the flue gases produced by natural gas and propane appliances, including furnaces, water heaters, boilers, and space heaters. The double-wall construction creates a 1/2-inch air space between the inner and outer walls. This air space acts as insulation, keeping flue gases warmer as they travel through the vent system. Warmer flue gases move more efficiently, reducing the risk of condensation buildup inside the pipe. Condensation in a vent line can corrode the pipe over time and reduce draft performance, so this design directly extends the service life of the venting system. The outer wall is constructed from galvanized steel, which provides strong resistance to corrosion from external moisture and environmental exposure. The inner liner is made from aluminum, a material well suited to contact with the acidic byproducts found in gas combustion exhaust. Together, these two materials create a durable, long-lasting pipe that meets the demands of professional installation in a wide range of building types. The snap lock coupling ends on both sides allow for fast, secure connections to other compatible Model R components without additional hardware. This pipe is listed and approved by UL for both Canada and the United States. It also meets standards set by CSA, AGA, HUD, NFPA, NBC, and UBC, covering a broad range of code requirements that HVAC technicians and mechanical contractors encounter on the job. Whether replacing a worn section of an existing B-vent system or building a new gas appliance venting run from scratch, the Selkirk 2003617 provides the code-compliant performance professionals need.
The Selkirk 2003617 Model R Type B Gas Vent Round Pipe delivers code-compliant, double-wall venting performance in a 10-inch by 36-inch format. It is built to meet UL, CSA, AGA, NFPA, and multiple other standards for residential, commercial, and industrial gas appliance installations.
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