Heat-N-Glo Grand-50 Installer's Manual page 14

VENTING WITH THREE (3) 90° ELBOWS
V (FT.)
3' MINIMUM (914 mm)
4' MINIMUM (1.2 m)
5' MINIMUM (1.6 m)
RATIO V TO H = 1:2
V + V + H + H = 30' MAXIMUM (9.3m)
1 1
H + H = 20' MAXIMUM (6.2m)
1
H = 10' MAXIMUM (3.1m)
VENTING WITH THREE (3) 90° ELBOWS
V (FT.)
3' MINIMUM (914 mm)
4' MINIMUM (1.2 m)
5' MINIMUM (1.6 m)
6' MINIMUM (1.9 m)
V + V + H + H = 30' MAXIMUM (9.3 m)
1 1
H + H = 20' MAXIMUM (6.2 m)
1
RATIO V TO H + H = 1:2
1
H (FT.)
6' MAXIMUM (1.9 m)
8' MAXIMUM (2.4 m)
10' MAXIMUM (3.1 m)
NOTE: SRV570-290 Heat
Shield is required above
elbow if clearance is less
than 4 inches (102mm).
H + H (FT.)
1
6' MAXIMUM (1.9 m)
8' MAXIMUM (2.4 m)
10' MAXIMUM (3.1 m)
12' MAXIMUM (3.6 m)