25Quadra-fire • QV32B-A, QV36B-A • 2014-900 Rev. F • 9/06
Figure 18. Venting with three 90° elbows
Use SL D-Series
components only.

H

1

H

V

1

V

NOTE: There MUST be a 25% reduction in total H when

using flex vent except when using the simple up and

out installation (see Figure 9).

VENTING WITH THREE (3) 90o ELBOWS

NATURAL GAS VENTING WITH THREE (3) 90o ELBOWS

PROPANE

V + H + V1 + H1 MAX. = 40 FT (12.2m) V + H + V1 + H1 MAX. = 40 FT (12.2m)

V (MIN.) H (MAX.) H + H
1
(MAX.)
90
o
Elbow on Top 2 FT (610mm) 4 FT (1.22m)
1 FT (305mm) 3 FT (914mm) 6 FT (1.86m)
2 FT (610mm) 4 FT (1.22m) 8 FT (2.48m)
3 FT (914mm) 6 FT (1.86m) 12 FT (3.72m)
4 FT (1.22m) 8 FT (2.48m) 16 FT (4.8m)
5 FT (1.52m) 16 FT (4.8m) 16 FT (4.8m)
V (MIN.) H (MAX.) H + H
1
(MAX.)
90
o
Elbow on Top NOT ALLOWED NOT ALLOWED
1 FT (305mm) 2 FT (610mm) 4 FT (1.22m)
2 FT (610mm) 4 FT (1.22m) 8 FT (2.48m)
3 FT (914mm) 6 FT (1.86m) 12 FT (3.72m)
4 FT (1.22m) 8 FT (2.48m) 16 FT (4.8m)
5 FT (1.52m) 16 FT (4.8m) 16 FT (4.8m)