The Weber Spirit E-310 and the Weber Spirit E-320 belong to the Weber Spirit E-300 Series. Both of these models boast 3 gas burners and have some slight differences. The Weber Spirit Series is one of the few Weber gas grill series. The Spirit Series is not as large as the Summit Series, for example, but offers the same quality grills that allow one to have phenomenal cookouts fit for a king, from the comfort of one’s own backyard. The E-310 has 3 stainless steel burners, 36,000 BTU-per-hour input, an Electronic Crossover ignition system, porcelain enameled cooking grates, porcelain enameled Flavorizer bars, a primary cooking area of 424 sq. in., and a warming rack area of 112 sq.in.