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The Selkirk 107048, also known by its model designation 7RV-48, is a round gas vent pipe designed for use in residential and light commercial venting systems. This pipe measures 7 inches in diameter and 48 inches in length, making it a full 4-foot section suitable for routing combustion exhaust gases safely out of a building. HVAC technicians and plumbers rely on gas vent pipe like this one when installing or replacing Type B gas vent systems connected to natural gas or propane appliances such as furnaces, boilers, water heaters, and space heaters. Type B gas vent pipe is a double-wall venting product commonly used for Category I appliances that produce non-positive vent pressure and flue gas temperatures that will not exceed certain thresholds. The round configuration of the Selkirk 107048 allows it to connect cleanly within compatible 7-inch diameter vent runs, maintaining consistent airflow and minimizing back pressure. A properly installed gas vent system draws combustion byproducts away from living spaces, protecting building occupants from carbon monoxide and other harmful gases. This 48-inch section gives installers a longer run between fittings, which reduces the number of joints in a vent system and can simplify the overall installation. Selkirk is a well-known manufacturer in the venting industry, producing vent pipe components that meet industry standards for gas venting applications. This pipe section works alongside other Selkirk RV-series components including elbows, tees, caps, and support brackets to build a complete venting assembly. Contractors replacing aging vent sections or completing new appliance installations will find this pipe a dependable choice for 7-inch gas vent runs.
The Selkirk 107048 7RV-48 is a 7-inch by 48-inch round gas vent pipe built for reliable exhaust routing in residential and commercial gas appliance installations. Its standard dimensions and Selkirk RV-series compatibility make it a straightforward choice for HVAC and plumbing professionals.
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