Installed new Trane equipment. Project included new condenser pad. With new high voltage wire to the condenser. Used r-11 acid flush on refrigerant line an adapted to them. Adapted to supply and return duct work. Reused high voltage and low voltage wiring. Flushed out drain lines with nitrogen and adapted to old drain line. Ran new flu pipe up to the chimney. Adapted to gas line. Filter size 12x20x1. Installed new t4 thermostat. System is tested and working properly at this time. JC recommended new water heater and expansion tank. Customer is going to speak to wife about replacement of water heater.