Rv Furnace NT-20SEQ Series Furnace, 2446ABK  Trailer Heater from Suburban  Trailer Heater for your RV - This trailer heater from Suburban, NT Series, is incredibly compact and lightweight. But even with their small size and 12V amp draw, these gas furnaces are capable of heating sizeable living areas quickly and efficiently, with capacities of 19,000 BTUH. NT-SE models are 12V direct discharge furnaces with attractive grilles for zone heating of smaller RVs, trailers, truck campers and even pop-ups. A side duct on SE models is optional.   Unit size: 9-3/8"H x 9-3/8"W x 21-27-3/8"D. Shipping Weight: 27 lbs.   The NT-S models can be ducted to provide even heat distribution throughout the coach. *Includes wall thermostat.