Venting, An approved u.s. wall pass-through, An approved canadian wall pass-through – Harman Coal Stoker VF3000 User Manual

Page 11: The 3-foot, 2-foot, 10 foot rule

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11

3-90-70741R13_05/13

the Chimney
This unit must be installed into a chimney approved for use

with solid-fuel appliances. In the U.S., it must be connected to

(1) a prefabricated chimney complying with the requirements

for Type HT chimneys in the Standard for Chimneys, Factory-

Built, Residential Type and Building Heating Appliances, UL

103, or (2) a code-approved masonry chimney with a flue

liner.
In Canada, this unit is listed for use with prefabricated

chimneys tested and listed to the high temperature (650

degrees C) chimney standard, ULC S-629, or with a code

approved masonry chimney.
The minimum recommended height for any chimney is

16 ft (4.8 m) above flue collar height. A round flue (either

masonry or approved prefabricated), of either 6" (150 mm),

7" (180 mm) or 8" (200 mm) may be used. For square or

rectangular masonry chimneys, nominal sizes of 8" x 8" or

8"x 12" (200mm x 200 mm, 200 mm x 300 mm) may be used.
Codes require that solid-fuel chimneys extend 3 ft (0.9 m)

above the highest point at which they exit from the roof. Then,

the chimney must extend 2 ft.(6 m) above the highest point

within a 10 ft (3 m) radius. Thus, the 3 foot, 2 foot, 10 foot rule:
3ft. - Above roof exit point
2ft. - Higher than anything within-

10ft. of the chimney.

Do not connect this unit to a chimney flue servicing

another appliance.

AN APPROVED CANADIAN WALL

PASS-THROUGH

Hole with a minimum

clearance of 18" (450 mm)

between connector and

wall.

Non-combustible cover,

one side only. If two

covers are used, each

must be mounted on

non-combustible spacers

at least 7/8" (21mm) away

from the wall.

1" (25mm)

Clearance

AN APPROVED U.S.

WALL PASS-THROUGH

Closest

Combusti-

ble Material

Minimum 2" (50mm)

Clearance to Brick

Minimum 12"

(300mm) to Brick

Liner

Fire Clay

Thimble

Chimney

Connector

Chimney Flue

Masonry Chimney Built to

NFPA 211 Specifications.

Minimum 12" (300mm)

to Combustibles

More Than 10 ft. (3m)

10 ft. (3m)

Ridge

Chimney

2 ft. (0.6m) min.

Height Necessary

Above Any Roof

Surface Within 10ft.

(3m)

3ft. (0.9m)

minimum

above

exit

point

The 3-foot, 2-foot, 10 foot rule

this VF3000 Is approved to Burn anthracite “rice”

Coal Only.

Venting

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