V ft. h + h, Ft.), Venting with two (2) 90 – Heat & Glo Fireplace GEM42 User Manual
Page 15: Elbows
15
Heat & Glo • GEM42 • 371-900 Rev. N • 2/05
VENTING WITH ONE (1) 90° ELBOW
V (FT.)
H (FT.)
2' MIN. (.609m)
3' MAX. (.912m)
2.5' MIN. (.762m)
6' MAX. (1.82m)
3.5' MIN. (1.06m)
9' MAX. (2.73m)
4.5' MIN. (1.37m)
12' MAX. (3.64m)
5.5' MIN. (1.67m)
15' MAX. (4.55m)
6.5' MIN. (1.98m)
18' MAX. (5.46m)
7.5' MIN. (2.28m)
21' MAX. (6.37m)
8.5' MIN. (2.59m)
24' MAX. (7.28m)
V = 40’ MAX. (12.2m)
V+H = 64’ MAX. (19.5m) H = 24' MAX. (7.28m)
Figure 11.
Venting with One 90° Elbow
NOTE: Must have an 18”
minimum vertical vent
before attaching a 90
o
elbow to the unit.
H
V
Figure 12. Venting with Two 90° Elbows
V FT.
H + H
1
(FT.)
2' MIN.
(.609m)
3´ MAX. (.912m)
2.5' MIN.
(.762m)
6´ MAX. (1.82m)
3.5' MIN.
(1.06m)
9’ MAX. (2.73m)
4.5' MIN.
(1.37m)
12´ MAX. (3.64m)
V+H+H
1
= 64' MAX.(19.5m) H+H
1
= 24´ MAX. (7.3m)
V+V
1
+H
= 64' MAX.(19.5m)
VENTING WITH
TWO (2) 90
o
ELBOWS
H
V
V
V
1
H
H
1
H
V