Went for a maintenance call today. Tested for static pressure system is within range when in heat. All electrical components are passing for manufacture specifications. Did a combustion test and is within range. Inspected heat exchanger no cracks or leaks were detected. Did clean sensor and pressure switch hose. As well replaced filter for customer. Temp split is passing for system. Inspected blower wheel is balanced but did notice dust and debris on wheel will recommend a cleaning. System is up and running before departure. Thank you for choosing LBA services-Johann