UHD S
TANDARD
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
50 of 57
15.9 Flue Blower for Models UHD[X][S][R] 300-400
IT IS IMPORTANT THAT ONLY THE CORRECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE
IS USED WHEN REPLACING THESE ITEMS.
Carry o
u
t a start-
u
p after
w
orking on or changing a fl
u
e blo
w
er.
See Page 28, Section 11
.
MODEL
UHD[X][S][R] 300
UHD[X][S][R] 350 - 400
Fl
u
e Blo
w
er P/N
90710403
90710402
Vent Box
Outlet
Gasket
Flue Blower
Vent Box
screws
Flue
Adapter
Flue Adapter
to Flue Blower
screw
Rear Panel
Hole
Disconnect
electrical connections
at plug in ta
b
s.
Mounting Plate
to Vent Box
screws
Gasket
Gasket
Mounting Plate
to Flue Blower
screws
Vent Box
Air Plate
Remove scre
w
s sec
u
ring
o
u
tlet flange to the fl
u
e
adapter.
Refit in reverse order.
Remove scre
w
s sec
u
ring fl
u
e
blo
w
er mo
u
nting plate to vent
box.
Remove scre
w
s sec
u
ring
mo
u
nting plate to blo
w
er.
Refit in reverse.
Use ne
w
gaskets.
Ens
u
re sealed joints.
Ens
u
re mo
u
nting plate orifice
is clear and not obstr
u
cted.
Summary of Contents for Combat UHD-Series
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