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. Did replace filter for customer. Cleaned flame sensor and pressure switch hose. Did notice water panel for humidifier needed to be replaced customer approved and had it replaced.System is up and running before departure. Thank you for choosing LBA services-Johann