This high quality natural gas oven furnace is durable and competitively priced for the jewelry, ceramics, or heat treating industries. Ideal for burnout in the lost wax process providing an exceptional carbon-free cavity. Solid, heavy duty steel construction. The angled 2" stainless steel door jam helps prevent insulating brick breakage from flask drag while loading or unloading. High temperature fiber woven tadpole gasket reduces unnecessary heat loss through oven door. The double wall insulation minimizes heat loss and saves energy cost. Lightweight ceramic fiber door eliminates thermal shock. Reinforced I-beam base with a 10 year anti-collapse guarantee. Premium grade refractories - 2300F rated. Featires optional LEFT or RIGHT hinged door (specify prior to placing order). The Burner system has sleek dual multi-burner manifold distributes uniform and efficient heat. The electronic ignition system has 3-time auto-attempt pilot ignition. It has an adjustable bracket system. It features multiple Hanson burner configuration. The automatic solenoid valve is rated up to 300,000 BTU. The chamber size is 20"W x 27"D X 28"H. Optional propane available. Email us for more information.