GMEC96 Installation Manual

25
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Figure 28
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
*Also see Front Cover Pressure Switch Tube Location on
page 9.
Minimum 5 1/2” clearance is required for the drain trap
beneath the furnace.
NOTE: For horizontal installations, some of the required
hoses are found in the factory-installed hose assemblies.
Remove the hose clamps to obtain the respective hoses
needed for installation, and install per the following
directions.
1. Remove the factory installed drain trap and hose
assemblies. Leave the 100° elbow inserted and
clamped in the vent-drain elbow.
2. Remove two 1”plugs from left side of cabinet
3. (Draining the Collector Box) Remove the cap from
the left side of the collector box drain port (bottom
in horizontal left position) and install it on right side
drain port.

the collector box drain port and secure with a silver
clamp.

drain hole.

barbed coupling and two gold clamps (factory
installed).
7. (Draining the Vent Elbow) Remove rubber plug from
vent – drain elbow side port.
8. 
Insert
rubber plug removed in step 7 into the 100°elbow.
(Inserting a blunt tool such as a 3/16’ Allen wrench
into the center of the rubber plug will stretch the
plug and allow complete insertion)
 
– drain elbow and secure with a gold clamp.
10. Insert a ½” diameter PVC pipe (factory installed)

 
installed) from outside the cabinet in the back drain
hole.

clamp.

and discard the radius end.

elbow and the PVC pipe and secure with red clamps.
15. Connect the hoses to the trap inlets and secure
with silver clamps, drain trap outlet must point to
the original bottom
of the furnace.
16. Using the two sheet metal screws provided in the
cabinet, secure the trap to the furnace.
17. Refer to Field Supplied Drain section for instructions

trap.
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Figure 29