Hearth and Home Technologies 31ST-ACC Chimney Requirements, Venting Components Chimney Systems

3100 Wood Stove Series (ACC)

R

	Chimney Requirements
Venting Components		B. Chimney Systems
A.5

Chimney Connector: Prefabricated Metal Chimney

It is also known as flue pipe or stove pipe. The chimney connector joins the stove to the chimney. It must be a 6 inch (152mm) minimum diameter 24 gauge mild steel black or 26 gauge blued steel, or an approved air-insulated double wall venting pipe.

Thimble:

A manufactured or site-constructed device installed in combustible walls through which the chimney connector passes to the chimney. It is intended to keep the walls from igniting. Site constructed thimbles must meet NFPA 211 Standards. Prefabricated must be suitable for use with selected chimney and meet UL103 Type HT Standards. Follow instructions provided by the manufacturer for manufactured thimbles for masonry chimney and prefabricated chimneys.

Chimney:

The chimney can be new or existing, masonry or prefabricated and must meet the following minimum requirements specified in Section 5B.

Listed Termination Cap

Roof Brace (if required)

Storm Collar

	Flashing
Trim Collar on	Listed Chimney
Inside Wall	Insulated "T "
Chimney	Wall Support
Connector
	Thimble
Floor
Protector

•Must be a 6 inch (152mm) diameter (ID) high temperature chimney listed to UL 103 HT (2100oF) or ULC S629M.

•Must use components required by the manufacturer for installation.

•Must maintain clearances required by the manufacturer for installation.

•Refer to manufacturers instructions for installation.

NOTE: In Canada when using a factory-built chimney it must be safety listed, Type UL103 HT (2100oF) CLASS “A” or conforming to CAN/ULC-S629M, STANDARD FOR 650oC

FACTORY-BUILT CHIMNEYS.

Listed Termination Cap

Storm Collar

Flashing

Listed Chimney

Ceiling Support

Chimney

Connector

Floor

Protector

Figure 16.1 Prefabricated Exterior Chimney Figure 16.2 - Prefabricated Interior Chimney

Page 16 7033-277F September 1, 2008