Venting Diagram - Valor MADRONA MF28JN Installation Manual
Direct vent zero clearance freestanding gas fireplace
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Also See for MADRONA MF28JN:
- Installation & owner's manual (46 pages) ,
- Installation & owner's manual (54 pages) ,
- Homeowner's manual (24 pages)
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Venting
Venting Diagram
5 x 90º ELBOWS MAXIMUM
(or equivalent)
Not to scale
above top of
horizontal pipe
1" min.
all around
vertical pipe
H1
V1
Max. 24"
before
elbow
3" min.
H2
1" min. around
bottom & sides of
horizontal pipe
V2
Sidewall
termination
Use 658TG or
845TG vent
Min. 24"
guard with a
before
vent terminal
elbow
located at less
than 7' (2.13 m)
above grade
Example 1
Value V = V1 (6') + V2 (3') + V3 (2') = 11'
Value H = H1 (2') + H2 (2') = 4'
Restrictor 75
Roof
termination
V3
Sidewall
termination
Co-Axial
13
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