NOTE: Burner DOES NOT come included with the boiler and must be purchased separately. Weil McLain WGO boilers are high efficiency cast iron oil boilers with a variety of applications including residential, light commercial, multiple boilers, indirect-fired water heating, and radiant heating. Factory tested and assembled cast iron section assembly (jacket and collector hood are not assembled on 7, 8 and 9 section blocks) with insulated steel jacket. Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet), swing-away burner mounting door, refractory blanket and target wall in combustion area. Includes a circulator, the Taco 007e plus a high limit control with circulator relay, LWCO function, and integrated service switch. Two vent pipe brackets and pressure / temperature gauge. The boiler section is tested for 50 PSIG working pressure and boiler has a 30 PSIG ASME relief valve, drain valve, barometric damper and built-in air separator. Warranty for this boiler installed in a residential setting is 20 Years for the heat exchanger and 2 Years for parts.