Performed heating maintenance Geo running in stage 2 upon arrival Temperature rise 24⁰ Ground loop water entering geo 41⁰ Water leaving geo 37⁰ No stored faults in the geo Propane fired two stage furnace: Pulled and cleaned flame sensor Condensate trap clear High fire 11"wc temp rise 58⁰ Low fire 5.8"wc temp rise 54⁰ Inlet pressure stayed at 12.5"wc during furnace operation No water leaks present on the furnace or condensate lines Replaced filter with customer-provided aprilaire 213 Discussed 210 vs 213, recommended 210 for airflow reasons No concerns found on today's visit