803.10.4.1 Manufactured insulated chimney connectors.
MC § 803.10.4.1
Manufactured insulated chimney connectors that pass through walls or partitions of combustible construction must comply with the following: 1. The connector is labeled for wall pass-through and is installed in accordance with the manufacturer's instructions; or 2. The connector is put through a device labeled for wall pass-through; or 3. The connector has a diameter not larger than 10 inches (254 mm) and is installed in accordance with one of the methods in Table 803.10.4. Concealed metal parts of the pass-through system in contact with flue gases shall be of stainless steel or equivalent material that resists corrosion, softening or cracking up to 1,800°F (982°C). (Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.













