Radiance Natural Vent Gas Heater

Passing Through a

Combustible Wall or Ceiling

An approved pass-through device is always required when a vent passes through a combustible wall or ceiling. Check with the maker of the vent system for the correct listed devices that are available. A listed pass-through device is required whether or not the installation includes decorative pipe around the Type B venting system. NOTE: It is essential to seal between the ceiling support (sometimes called a ‘firestop spacer’) and the decorative pipe, if installed, with a high-temperature silicone sealant. (Fig. 6)

Complete the venting system installation according to the manufacturer’s instructions.

Venting Requirements

 

 

36

 

 

elbow)

34

A

 

32

 

B

 

30

 

any

 

 

 

28

 

 

before

 

feet)

26

 

24

 

 

 

(in

unit

22

 

20

 

Vertical Run

from top of the

 

18

 

16

 

14

 

12

 

 

 

Air Space as

Required by

Code

High- temperature Silicone Sealant

Decorative

6” Pipe

Listed 4” (102mm)

ST361 B-Vent

Joists

Ceiling

Support

Trim

Collar

High- temperature Silicone

Sealant

Air Space

(Measured

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

4

6

8

10

12 14

16

18

20

22

24

Horizontal Run (in feet)

Venting Runs

NOTE: When venting staight vertical, without an elbow, a minimum of 8 ft. vertical is required off the top of the stove.

= Acceptable venting configuration

Fig. 6 A ceiling pass-through, with decorative pipe around the vent.

= Unacceptable venting configuration

A:Vertical installations up to 36 feet (12m) in height. Up to an 18 ft. horizontal vent run can be installed within the vent system using a maximum of two 90-degree elbows or four 45-degree elbows.

B:Vertical installations up to 36 feet (12m) in height. Up to a 24 ft. horizontal vent run can be installed within the vent system using a maximum of two 45-degree elbows.

(Ratio = 2/3, Hor./Vert.)

FP567b

Fig. 7 Vent termination window.

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Vermont Casting 3355, 3340, 3349, 3356 4409 410 manual Passing Through a Combustible Wall or Ceiling, Venting Requirements

3356 4409 410, 3340, 3355, 3349 specifications

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In summary, Vermont Castings offers a variety of wood stoves, such as the 3355, 3340, 3356, 4409, 410, and 3349, each with unique features and technologies. Their commitment to performance, efficiency, and elegant design ensures that there is a perfect fit for every heating need, providing both warmth and style for your home.