IPEX 397021 4"x36" PVC Concentric Vent Kit Black System 1738

The first engineered PVC Flue Gas Venting System certified to UL 1738 System. System 1738 Flue Gas Venting offers a full range of pipe, fittings and termination components that are manufactured from an engineered PVC compound, rated for a maximum flue gas temperature of 149˚F and that are fully certified to the rigorous requirements of UL 1738 venting standard for gas-burning appliances, Categories II and IV Benefits of using System 1738 Fully certified as a complete system of pipe, fittings, cement and venting accessories Permanent solvent welding joining system Material type, temperature rating and product certification is included in the pipe print line and fitting certification sticker Carbon monoxide warning label Solvent cement formulated for the application *It is important to note that different manufacturers have different joint systems and adhesives.  Do NOT mix pipe, fittings or joining methods from different manufacturers.