Goodman Furnace: Counterflow drain trap clearance
Counterflow drain trap clearance on a Goodman furnace: A horizontal counterflow installation needs a minimum clearance under the drain trap.
Applies to: Counterflow model installed horizontally with left side down
How to fix counterflow drain trap clearance: step by step
- Keep at least 5 1/2 in of clearance beneath the drain trap.
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 and troubleshooting manual, p. 24. 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.