Bosch BGH96M060B3B Installation Instructions Manual page 19

7.3.3 For Horizontal Installations
For installations with right air discharge and venting outlet through furnace
top panel (see Figure 16).
1. Remove cap from left side panel of furnace and cut the insulation
accordingly.
2. Remove 3 screws securing air inlet coupler on top panel and remove
coupler.
3. Mount air inlet coupler to the left side of the furnace cabinet using the same
screws saved from last step. Connect air inlet pipe to air inlet coupler.
4. Seal the top panel air intake hole using the caps removed from side panel.
5. Use field supplied elbow and metal hose clamps to make flue vertical.
Elbows should be as close to the furnace as possible. Connect the vent
outlet pipe. Use filed supplied straight 2'' diameter pipe. If 3'' diameter
pipes are used, use a field supplied transition.
6. Use provided or field supplied (if applicable) mounting bracket to mount
drain trap to the proper location on right side panel .
7. Screws for mounting bracket should not interfere with any components
inside the furnace.
8. Cut and remove 1/4" from the end of the inducer drain port. Reference
Figure 13.
9. Connect (using hose clamps) 16 mm hose between condensate collector
box and drain trap.
10. Connect (using hose clamps) 14 mm hose between the drain port and drain
trap.
11. Cut the excess hose as needed.
12. Secure and tighten all hoses
CONDENSATE
COLLECTOR
BOX
Figure 16
Horizontal Right-Hand Side Installation
Bosch 96% AFUE Condensing Gas Furnace - BTC 770503101 J (06.2023)
JUNCTION
HIGH/LOW FIRE
BOX
PRESSURE SWITCH
Φ16 mm HOSE
Φ14/16 mm
ELBOW (optional)
Φ14 mm HOSE
DRAIN TRAP
MOUNTING
BRACKET
VENT OUTLET
AIR INLET
BOTTOM INDUCER
DRAIN PORT
HOSE CLAMP
DRAIN TRAP
Installation Instructions
AIR INLET
COUPLER
FIELD
SUPPLIED
ELBOW
FRONT
INDUCER
DRAIN
PORT
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