Performed heating maintenance on a two stage trane furnace Pulled and cleaned flame sensor Pulled and cleaned burners - they were rusty Blew out Condensate trap Aprilaire 210 filter is still good Aprilaire #35 water panel is need of replacement Sold a truck stock water panel Tested humidifier while run testing furnace Operating properly and no water leaks at this time Other than the rusty burners, no concerns found with the furnace today We will clean the burners on fall visits and decide when the right time to switch to stainless burners is.