Preform maintenance on (1) Trane gas fired furnace: * shutters power to system at arrival * removed blower and furnace cabinet doors * removed all burner jets, flame sensor and hot surface igniter * cleaned flame sensor with copper bristle brush and polished clean * inspected hot surface igniter cleaned- ok * vacuumed and dusted out furnace cabinet and components * vacuumed and dusted / blew out blower cabinets and components clean and clear * vacuumed and brushed all burners clean * secured / inspected electrical wiring, connections, components, safety’s and zoning panel * inspected flue piping and inducer motor / assembly * reassembled furnace * brushed drain line and EZ trap clean and clear, flushed with fresh water and tested- operational no leaks * customer replaced his own filter every three months and still has time left on this filter * Vacuumed return box clean and clear * return power to system * call for heating from first floor thermostat: inducer motor on/ pressure and li