February 18, 2014 7061-197B 11Explorer I I M edium W o o d S t o v e4 Chimney SystemsNOTE: In Canada when using a factory-built chimney it mustbe safety listed, Type UL103 HT (2100oF) CLASS “A” orconforming to CAN/ULC-S629M, STANDARD FOR 650oCFACTORY-BUILT CHIMNEYS.FloorProtectorChimneyConnectorInsulated " T "FlashingListed Termination CapTrim Collar onInside Wall Listed ChimneyStorm CollarWall SupportRoof Brace (if required)ThimbleFloorProtectorChimneyConnectorCeiling SupportListed ChimneyListed Termination CapStorm CollarFlashingFigure 11.1 Prefabricated Exterior Chimney Figure 11.2 - Prefabricated Interior ChimneyA. Venting ComponentsChimney Connector:It is also known as flue pipe or stove pipe. The chimneyconnector joins the stove to the chimney. It must be a 6 inch(152mm) minimum diameter 24 gauge mild steel black or 26gauge blued steel, or an approved air-insulated double wallventing pipe.Thimble:A manufactured or site-constructed device installed incombustible walls through which the chimney connectorpasses to the chimney. It is intended to keep the wallsfrom igniting. Site constructed thimbles must meet NFPA211 Standards. Prefabricated must be suitable for use withselected chimney and meet UL103 Type HT Standards. Followinstructions provided by the manufacturer for manufacturedthimbles for masonry chimney and prefabricated chimneys.Chimney:The chimney can be new or existing, masonry or prefabricatedand must meet the following minimum requirements specifiedin Section 5B.B. Chimney SystemsPrefabricated Metal Chimney• Must be minimum 6 inch (152mm) diameter (ID) hightemperature chimney listed to UL 103 HT (2100oF) orULC S629M.• Must use components required by the manufacturerfor installation.• Must maintain clearances required by the manufacturerfor installation.• Refer to manufacturers instructions for installation.