For this job, it worked on a 5 ton Goodman or 410 system that was low on refrigerant. I added some easy seal leak sealant and 4 pounds of our 410 refrigerant did not charge them for the leak sealant as they are my friends and family. They are fully aware that their system contains a leak in the outdoor unit and the refrigerant copper line said is not rated for a 5 ton line set and the condenser need to be replaced for the system to function and perform properly At this time, customers aware and know about it and will do replacement options at a later ti