P3 Furnace Maintenance Tuneup- Inspected thermostat, checked for Co-(0ppm) Checked for Gas leaks-(None). Inspected and tested all motors, all motors are operating within the factory specifications. Tested all safety sensors, all sensors are operating correctly at this time. Cleaned inside and outside of the furnace cabinet. Performed combustion analysis, readings came back normal. All heating ops are normal at this time.