During today’s visit, I replaced the liquid propane, burners, and orifices. The office number was 56. After installing these, I cleaned out the burner compartment and the fresh air return to ensure proper airflow and cleanliness. Everything after I started, the system up worked perfectly the system satisfied at 71°. I turned the system on and off several times to watch the burners fire off everything like I said, is operating properly at this time. I did not have to use the gas manifold that we ordered from Trane. We will have to ship that back to the sender.