8

VERTICAL TERMINATION

when (HT) < (VT)

Simple venting configurations

FIGURE 9

See graph to determine the required vertical rise VT for the required horizontal run HT.

 

40

 

 

 

 

 

REQUIRED

 

 

 

 

 

 

VERTICAL RISE

30

 

 

 

 

 

IN FEET

 

 

 

 

 

 

VT

 

 

 

 

 

 

 

20

 

 

 

 

 

 

10

 

 

 

 

 

3

 

 

 

 

 

 

 

0

5

10

15

2

0

HORIZONTAL VENT RUN PLUS OFFSET IN FEET HT

The shaded area within the lines represents acceptable values for HT and VT .

For vent configurations requiring more than zero 90° elbow (top exit) or one 90° elbow (rear exit), the following formu- las apply:

Formula 1: HT < VT

Formula 2: HT + VT < 40 feet

W415-0434 / C / 03.24.05

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Napoleon Fireplaces GD70NT-S, GD70PT-S manual Vertical Termination

GD70PT-S, GD70NT-S specifications

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