Went for a maintenance call today for heat. Tested for static pressure system is passing when in heat for both systems.All electrical components are passing for manufacture specifications for both systems.Did a combustion test is within range for both systems. Inspected heat exchanger no cracks/leaks were detected for both systems. Checked temp split and is passing for both systems,Did replace filter for customer for system in crawl space. Cleaned flame sensor and pressure switch hose for both systems. Systems are up and running before departure. Thank you for choosing LBA services-Johann