UHD L
OW
P
ROFILE
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
16 of 47
Fi
g
ure 10: Standard Vented Heater - Common Vertical Vent Termination
Req
u
irements:
• Maxim
u
m of fo
u
r heaters can be commonly
vented thro
u
gh the roof.
• Heaters m
u
st be of the same BTU o
u
tp
u
t.
• Heaters m
u
st be controlled by a common
thermostat.
• Connections to a common stack m
u
st be
positioned to avoid direct opposition bet
w
een
streams of comb
u
stion gases.’
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