440 01 2021 01
24
OFF
ON
AIR
FLOW
Figure 16
Horizontal Right thru Top
3
/
16
²
²²
² ID Rubber Tube
Trap Connection
“Clampears”
PointedOUT
Preassemble&
insertinto furnace
25--24--70b
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
WARNING
Add Cap and Clamp
Drain Tube
Black Rubber
1
/
2
²
²²
² ID & Clamps
EXHAUST
Alternate Orienation
Field
SuppliedTee
Cut Here
Drain Tube Corrugated
5
/
8
²
²²
² ID & Clamps
Cut at straight section
Leave roomforclamp
Flexible Tubing Connector
3
/
16
²
²²
² OD
(Loose Parts Bag)
Plastic Cap
Yellow or black
Vent Drain
&Clamps
INLET
On Some Models
ONLY
Coupling & Clamps
(Optional)
Relief Tube
Black Rubber
3
/
16
²
²²
² ID
Drain Tube
Black Rubber
1
/
2
²
²²
² ID&Clamps
ReliefTube Extension
Black Rubber
3
/
16
²
²²
² ID
Cut to Fit (Loose PartsBag)
Barbed Coupling
1
/
2
²
²²
² OD (Loose Parts Bag)
Horizontal Right Thru Top(See Figure 16)
Disconnect the hoses from the Trap assembly, and remove Trap
and Trap mounting bracket from the blower compartment. Using
cover plate and gasket provided in the loose parts bag, cover the
hole from the burner compartment to the blower compartment and
secure with screws.
Mount the Trap externally to the bottom side of the unit using the
2 screws provided in the location s hown.
Cut the corrugated tube as shown in the illustration above. Con-
nect the corrugated hose from the transition to the Trap. Secure
connections with clamps.
Connect the black
1
/
2
² ID Drain Tube from the Vent Drain to the
Trap. If an extension is required, use the black
1
/
2
² OD barbed
coupling and the black
1
/
2
² ID Drain Tube in the loose parts bag.
Cut tube to length. Secure connections with clamps.
Connect the
3
/
16
² ID relief tube to the middle port on the Trap. If
an extension is required, use the clear
3
/
16
² OD flexible tubing con -
nector and the black
3
/
16
² ID relief tube in the loose parts bag. Cut
tube to length.
Cut an appropriate length of 2² PVC pipe, fittings and extension
pipe long enough to exit the cabinet and connect the vent drain to
a standard field supplied 2² PVC tee
· A2² PVC coupling fastened onto the Drain Tee
Install Tee Trap into bottom section of Tee and glue pipe.
Connect the Tee trap and the main drain line exiting the casing as
shown in Figure 18.
Note: It is recommended that all PVC piping and fitting connec-
tions be fit up and inspected before final cementing. Both the ex-
ternal Trap and the external Tee Trap must be primed before
operation. Verify all condensate drain connections are securely
clamped. A c oupling and clamps (in loose part bag) may be
installed as shown for future servicing of the vent system.
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