26
IN
ON
OF
F
VE
N
T
AIR FLOW
Coupling & Clamps
(Optional)
Drain Tube Corrugated,
5
/
8
″
ID & Clamps
Cut at straight section
Relief Tube Black Rubber
3
/
16
″
ID
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap
White PVC
(loose parts bag)
Flexible Tubing Connector
3
/
16
″
OD (Loose Parts Bag)
Barbed Coupling
1
/
2
″
OD
(Loose Parts Bag)
EXHAUS
T
Alternate Orientation
Field
Supplied Tee
Cut Here
Leave room for clamp
Relief Tube Extension
Black Rubber
3
/
16
″
ID
Cut to Fit (Loose Parts Bag)
Plastic Cap
Yellow or black
Vent Drain
& Clamps
Level or Sloped
towards Tee
INLET
On Some Models
ONLY
Elbow Tube
Black Rubber
1
/
2
″
ID & Clamps
(Loose Parts Bag)
Drain Tube
Black Rubber
1
/
2
″
ID & Clamps
Representative drawing only, some models may vary in appearance.
A07712
Fig. 18 -- Horizontal Right Side Vent
Horizontal Right Side Vent
(See Fig. 18)
S
Disconnect drain tee if installed
S
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.
S
Remove knockout from the side of the furnace casing where
drain tube will exit.
S
Mount the trap externally to the bottom side of the unit using
the 2 screws provided in the location shown.
S
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
S
Connect the black
1
/
2
″
(13 mm) ID drain tube from the Vent
Drain to the trap. If an extension is required, use the
1
/
2
″
(13
mm) OD barbed coupling and the black
1
/
2
″
(13 mm) ID drain
tube in the loose parts bag. Cut tube to length. Secure
connections with clamps.
S
Connect the
3
/
16
″
(5 mm) ID relief tube to the middle port on
the trap. If an extension is required, use the clear
3
/
16
″
OD
splice connector and the black
3
/
16
″
(5 mm) ID relief tube in the
loose parts bag. Cut tube to length.
S
Cut an appropriate length of 2
″
(51 mm) PVC pipe, fittings
and extension pipe long enough to exit the cabinet and connect
the vent drain to either:
— A standard field supplied 2
″
(51 mm) PVC tee, or
— A 2
″
(51 mm) PVC coupling fastened onto the drain
tee.
S
Install tee trap into bottom section of tee.
S
Important: The pipe to the tee trap must be level or sloping
towards the tee trap.
S
Connect the tee trap and the main drain line exiting the casing
as shown in Fig. 19.
NOTE
: It is recommended that all PVC piping and fitting
connections be fit up and inspected before final cementing.
Both
the external trap and the external tee trap must be primed
359AA
V