The System 636 3-inch x 10 ft. Plain End CPVC FGV Flue Pipe is engineered for the safe and efficient venting of combustion gases from high-efficiency furnaces, boilers, and water heaters. As a Flue Gas Vent (FGV) component, it is specifically designed to withstand the acidic condensate and elevated temperatures associated with modern condensing appliances. This pipe is crucial for directing exhaust gases outdoors, maintaining indoor air quality and system performance.
HVAC technicians and installers will choose this CPVC flue pipe for its robust material properties and ease of installation. The 3-inch diameter is suitable for a range of appliance outputs, while the 10-foot length minimizes the need for multiple connections, streamlining installation. Its plain end design allows for solvent welding with compatible System 636 fittings, ensuring a secure and leak-tight vent system.
The grey CPVC material offers superior corrosion resistance compared to traditional PVC, making it ideal for the demanding environment of flue gas venting. When specifying or replacing vent piping for condensing appliances, ensuring compatibility with System 636 and adherence to local codes is paramount. This pipe provides a durable and compliant solution for residential and commercial HVAC/R venting projects.









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