Performed pm on gas water heater and gas furnace Brushed and vacuumed burner tubes Inspected and vacuumed burner, blower compartments and surrounding area Checked electrical connections and safeties Checked gas pressure Cleaned and inspected flame sensor Performed combustion test Inlet pressure- 7.652 in.w.c. Manifold pressure- 3.511 in.w.c. 13.3%o2 9ppm co Drained water from the water heater and flushed out sediment from the tank Removed the burner assembly Cleaned the burner assembly and the chamber of the water heater Cleaned and inspected flame sensor and igniter Tested gas pressure Performed combustion test 10.8%o2 0ppm co Recommend replacing the water heater in the near future. The water heater is from 2012. Water heaters typically last around 10 with warranties typically being for 8 years. Took pictures for a replacement quote.