Went for a maintenance call today for heat. All electrical components are passing for manufacture specifications. Did a combustion test is within range. Inspected heat exchanger no cracks/leaks were detected. Checked temp split and is passing for specifications. Did notice blower wheel is collecting dust . As well when inspecting humidifier water panel does need to be replaced will recommend. Cleaned flame sensor and pressure switch hose. Did replace water panel with customer approval. System is up and running before departure. Thank you for choosing LBA services-Johann