View visual findings from this job here - https://visionshare.xoi.io/?id=XA-2F41-270F8B0CB2FC40C3B359428AACB9A7F9 Customers display screen for DHW is not working and second floor system had a loud boom noise (2) nights ago that woke everyone up. DHW * customer has a high-efficiency wall hung instant hot water heater * The customer states that he noticed the display screen was not showing the full reading of the water temperature * He stated that the display screen is glitchy And is not always responsive * At arrival, I opened up the unit and confirmed all the connections were tight and secure * when trying to change water temperature the last digit is no longer being displayed and the second is only showing half * the indicates a internal issue with the display screen panel and replacement would be needed SECOND FLOOR: * The customer states that the second floor furnace fired with a loud boom two nights ago that woke up the entire home- But has been working and quiet since Th