Chimney And Termination Requirements - Heatilator C40 Installation Manual

5

Chimney and Termination Requirements

A. Chimney Requirements
erti al istan es are
re la e as s o n in i ure 5 1
Table 5.1 Chimney Requirements
Minimum overall straight height
Minimum height with single offset/
return
Double offset/return minimum height
Maximum height
Maximum chimney length between an
offset and return
Maximum distance between chimney
stabilizers
Maximum unsupported chimney
length between the offset and return
Maximum unsupported chimney
height above the fireplace
Maximum unsupported chimney
above roof
NOTICE: A maximum of two pairs of offsets and returns
may be used.
WARNING! Risk of Fire!
air space clearance to insulation and other combustible
materials around the chimney system. Failure to do so
may cause overheating and fire.
6 f t ( 1 .8 m ) m a x .
u ns u p p o r t e d
r u n
20 f t ( 6.1 0 m ) m a x .
p ip e b e t w e e n a n
o f f s e t & r e t u r n
A t t ic I ns u l a t io n S h ie l d
C e il ing f ir e s t o p
44 in.
( 1 1 1 8 m m )
t o t o p o f
s t a nd o f f s
Figure 5.1 Chimney Requirements
Heatilator • C40 Constitution • 480-2340 Installation Manual • Rev D • 05/30/13
22
easure ro t e ase o t e
13 ft
14.5 ft
20 ft
50 ft
20 ft
35 ft
6 ft
35 ft
6 ft
You must maintain 2 in. (51 mm)
6 f t ( 1 .8 3 m ) m a x .
u ns u p p o r t e d c h im ne y
a b o v e r o o f
35 f t ( 1 0 .7 m )
m a x . s t r a ig h t
u ns u p p o r t e d
c h im ne y h e ig h t
1 4.5 f t ( 4.42 m ) m in. h e ig h t /s ing l e o f f s e t - r e t u r n
20 f t . ( 6.1 0 m ) m in. h e ig h t /d o u b l e o f f s e t - r e t u r n
5 0 f t ( 1 5 .24 m ) m a x . h e ig h t
NOTICE:
construction and check to be sure inadvertent loading has
not dislodged the chimney section from the fireplace or at
any chimney joint.
Table 5.2 Chimney Component Dimensions
3.96 m
4.42 m
HEIGHT OF CHIMNEY COMPONENTS
Chimney Stabilizer
6.1 m
15.24 m
Offsets/Returns
6.1 m
10.67 m
Chimney Sections*
1.83 m
10.67 m
1.83 m
* Dimensions reflect effective height.
You must provide support for the pipe during
3
315
330
30
312
318
324
33
348
in. mm
4-3/4
121
13-3/8 340
15-1/2 3 4
4-3/4
121
10-3/4 2 3
1 -3/4 425
22-3/4 5 8
34-3/4 883
4 -3/4 118