30
Caution!! For the following applications, use the minimum vertical vent heights as specified below. For all other applications,
follow exclusively the National Fuel Gas Code.
FURNACE
ORIENTATION
VENT ORIENTATION
FURNACE INPUT
(BTUH/HR)
MIN. VENT
DIAMETER
IN (MM)*
MIN. VERTICAL VENT
HEIGHT
FT. (M)**
Downflow
Vent elbow left, then up Fig.
38
132,000
5 (127 )
12 (4)
Horizontal Left
Vent elbow right, then up Fig.
41
132,000
5 (127 )
7 (2)
Horizontal Left
Vent elbow right Fig.
42
132,000
5 (127 )
7 (2)
NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFGC
*4 in. (102 mm) inside casing or vent guard
**Including 4 in. (102 mm) vent section(s)
SEE NOTES: 1,2,4,7,8,9
on the page following
these figures
A03208
Fig. 34 -- Upflow Application--Vent Elbow Up
SEE NOTES: 1,2,3,4,7,8,9
on the pages following
these figures
A03209
Fig. 35 -- Upflow Application--Vent Elbow Right
SEE NOTES:1,2,3,4,5,7,8,9
on the page following
these figures
A03210
Fig. 36 -- Downflow Application--Vent Elbow Up then Left
SEE NOTES: 1,2,4,5,7,8,9
on the page following
these figures
A03211
Fig. 37 -- Downflow Application--Vent Elbow Up
PG
8M
EA
Summary of Contents for PG8JEA
Page 4: ...4 A10269 Fig 2 Clearances to Combustibles PG8MEA ...
Page 28: ...28 A10133 Fig 33 Chimney Inspection Chart PG8MEA ...
Page 38: ...38 Table 13 Orifice Size and Manifold Pressure In W C for Gas Input Rate A10180 PG8MEA ...
Page 39: ...39 Table 13 Orifice Size and Manifold Pressure In W C for Gas Input Rate CONT A10180A PG8MEA ...
Page 40: ...40 Table 14 Orifice Size And Manifold Pressure In W C For Gas Input Rate A10181 PG8MEA ...
Page 41: ...41 Table 14 Orifice Size And Manifold Pressure In W C For Gas Input Rate CONT A10181A PG8MEA ...