HEAT KING HK 1500. Double boiler. Capacity of 1,316,000BTU. Can be used for several uses such as excavation, concrete curing, thawing / snow removal / de-icing etc. Glycol unit with two high performance Wayne EH diesel burners and two boilers, booster pumps. Integrated compressor, quick connect connection for diesel or heating oil. Unit operating on 120 / 208V 3ph. Not tested since we do not have the required voltage. But everything seems complete and functional. Price only $8,995