Goodman Furnace: Upflow horizontal, left side down – alternate drain setup
Upflow horizontal, left side down - alternate drain setup on a Goodman furnace: Alternate drain route using the RF000142 coupling for an upflow furnace on its left side.
Applies to: Upflow horizontal, left side down (alternate method)
How to fix upflow horizontal, left side down - alternate drain setup: step by step
- Cut off and discard the 45 degree radius end of factory hose #2.
- Fit the 90 degree radius end of hose #2 to the RF000142 drain outlet with a red clamp.
- Insert the coupling into hose #2 and secure with a red clamp.
- Cut hose #5 3 in from the non-grommet end, discard that section, and feed the cut end through the lower cabinet drain hole.
- Insert a 100 degree elbow in the cut end of hose #5.
- Connect hose #6 between the coupling and the 100 degree elbow with red clamps, cutting off excess tubing.
- Move the left collector cap to the right (top) collector port.
- Feed the non-grommet end of hose #11 through the upper cabinet drain hole and clamp it to the collector box with a silver clamp.
- Clamp hoses to the trap with silver clamps, then secure the trap with the two removed screws.
- Connect the field drain to the trap outlet per the field drain section.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.
If the unit shows an error code, look it up: Goodman Furnace codes
Source: Goodman GMVC96 service manual, p. 22-23. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.