Complete 3 Systems worked on 3rd Floor Trane Straight A/C: came to replace case coil and supply plenum. When we arrived we had to wait around 30 mins to get started, due to HO was planing on canceling because he thought he didnt have to pay for the 2 lbs of R22 he paid on the last time tony was here. He talked to Jimmy. Jimmy said he was on the ref warranty and he didnt have to pay for ref. Removed old case coil and plenum. Removed flex from plenum. Intalled new case coil, and new supply plenum. Had to cut hole on supply plenum to get old collar intalled. Leveled plenum. Repiped drain line. Replaced p trap and made sure drain line was clear. Leak tested system. Pulled vaccum. Added 6 lbs of R22. No nons. Checked pressures. System is running great at this time.