HI-BOY UPFLOW OIL FURNACEFEATURES Fan Control Switch- for continuous low speed Accessory terminals- prewired for easy add-on electronic air cleaner and power humidifier. Air conditioning ready for easy add-on Large external front clean out- for easy cleaning Clean out- sealed from blower compartment (no soot to spread) Easy Access- control panel Sight Glass/View Port Furnaces- available with your choice of high efficiency Riello or Beckett burners. (Burners ordered and shipped separately.) Test Ports- factory installed to provide efficient access for set-up and service GÇ£Easy Access heat exchanger- manufactured from heavy gauge steel Multi-Speed Direct Drive Motors- permanently lubricated for long life performance Heavy-duty insulated cabinet- for quiet operation Approved for 1 (25mm)clearance to combustibles for tight installations Ceramic combustion chamber- withstands temperature of 2600-¦F (1427-¦C) with unique GÇ£self aligning design Precision balanced blower- ensures quiet, efficient air distribution Raised cabinet base- allows air to circulate under the cabinet, eliminates dampness Approved- Chimney or Direct Vent applications Efficient - AFUE up to 83.1% Canada, 82.2% US Front Flue (Breech) WARRANTY * Lifetime heat exchanger limited warranty with timely registration 5 year parts limited warranty - With timely registration, an additional 5 year parts limited warranty* Applies to original purchaser/homeowner, some limitations may apply. See warranty certificate for complete details.