Upflow Installations
Top Vent
_
ellowor black Plastic
Caps(2)
Co_
(Optional)
VentDrain
& Clamps
Pressure
Switch
Detail
1/2" ID Drain
Drain Connector Black PVC
3/4"PVC X l/z" CPVC
(Loose parts bag)
Casing Grommet
Black Rubber
5/8" ID
(Loose parts bag)
Drain Line Vent Tee 3/4"PVC or
l/z" CPVC(Field supplied)
ONLY
le Pressure
Switch
Drain Tube(& Clamps) Black Rubber /8 ID,
Cut length to fit (Loose parts bag)
ID RubberTube
StreetEIbow
/'CPVC
(Looseparts bag)
25-24-42
Upflow
Installations
Top
Vent
(See
Figure 9)
Remove
plug from the side of the furnace
casing where Drain Tu be
will exit.
Install
casing
grommet
(black rubber
5/8" ID grommet
- in loose
parts
bag)
Install
the 1/2" CPVC
street
elbow
on discharge
of Trap
Install the black PVC tube connector
(3/4" PVC x 1/2" CPVC
from
loose parts
bag) as shown
in the illustration
above.
Cut the black
Drain Tube (5/8" ID - in loose parts bag) to length to
fit between
Trap and tube
connector
through
grommet.
Clamp
both ends
of the Drain Tube using clamps
provided.
Glue the CPVC street
elbow to the Trap using appropriate
cleaner
and solvent
cement.
Connect the Tee trap and the main drain line exiting the casing as
shown Figure 18.
Note:
It is recommended
that all PVC piping and fitting connec-
tions be fit up and inspected
before final cementing.
Trap must
be
primed
before
operation.
Verify
all condensate
drain
connec-
tions are securely
clamped.
A coupling
and clamps
(in loose part
bag) may be installed
as shown
for future servicing
of the vent sys-
tem.
[_
440 01 1020 04
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