Brand New never install Heater Craft  MCG manufuctured built in 2007,  It can be used for boats and RV technology is similar to a car heater, using the hot water generated by the engine's cooling system. Each series is compatible with an I/O or inboard engine. Designed to withstand the harsh marine environment. The units are finished with a tough powder coated exterior. high output with lots of flexibility. 30,000 - 40,000 BTU/hr of heat is ducted to three separate areas  keeping everyone warm and toasty. Kit features:  Heater Craft  24 VDC  8 Amps Max . Size Approx L 16" W 4" T 7" three-speed fan. Heater housing is constructed of heavy-duty marine grade aluminum and powder coated to prevent corrosion. Heat is ducted from three directional Euro vents. Note: Heater Craft  24 VDC  8 Amps.  This item has no sign of scratch and connecting wires are brand new ( see pictures ) The original box has thorn due to moving around the storage, will include the original box and place to a new box upon shipping the item.