Furnace Maintenance: Removed reverse slopping for proper drainage. Sealed the refegirant line with fresh putty and tin tape to avoid heat loss. Resealed the collector box plug with Teflon tape. Flushed the condensate lines to ensure proper drainage. Inspected pressure switch tubing for functionality. Removed condensation from Ventor motor housing for optimal performance. Cleaned and polished the flame sensor to optimize performance. Conducted diagnostic testing, confirming the system is operating efficiently. Recommend a Carbon monoxide detector plugin for the basement. Furnace is operating beautifully. Happy New Year