This used outdoor wood boiler is a 2017 model that is in great condition. Owner is upgrading to a newer furnace. The Classic Edge 750 is a large outdoor boiler capable of producing up to 240,000BTU/hr. This unit has a water jacket made of 409 titanium enhanced stainless steel, allowing it to hold up against the wear and tear created by extreme temperature changes. It is an EPA approved gassification outdoor furnace, meaning that it can burn up to 50% less wood than traditional boilers. This unit has a light for loading at night and a chimney extension to keep any smoke up out of your face.