2021 Bosch high efficiency furnace running in great condition. 24x25x4 air filter is in new condition Filter included with Platinum heating maintenance will need to be special ordered as it is not a common stock size filter. Clean flame sensor and check ignitor. Visual inspection of burners. Flush condensation trap and drain lines. Humidifier pad in good condition, damper opened, run test during heating mode. Run test furnace in first and second stage heating Both stages running properly within temperature rise specifications. Inducer motor and blower motor are operating within specifications. Furnace is operating properly, efficiently and ready for Winter
