25FEB2025 Jason Brown Arrived for blue club fall tune up service. Spoke with staff about the systems performance. They explained that it’s working fine. Disconnected power from equipment. Inspected heat exchanger, evap, and blower wheel. Cleaned flame sensor, and ohmd HSI. Restored power and checked through all safeties before cycle the system on. Verified inducer motor and amps. Gas pressure is at 3.45 and heat rise ~50. Flame is good and burner crossover clear. Allow system to run for ~15 min and then checked for monoxide. 0ppm CO Detected. Checked run capacitor and all duct connections. Replaced 16x20 fresh air filter and both 14x30 filters. System is heating properly at this time. I did however find several concerning rust spots and rings on the furnace. I would recommend replacing it before these become an issue. I’ve attached photos and videos of my findings. Please give me a call with any questions at 405-323-8236 thanks guys!