This Weber large sized grill has the following:
The Weber Genesis II LX S-440 is part of the Gas grill test program at Consumer Reports. In our lab tests, Gas grill models like the Genesis II LX S-440 are rated on multiple criteria, such as those listed below.
Evenness performance: Evenness of heating over the grill's surface at the highest and lowest setting using all main burners plus the evenness after a 10 minute preheat, using thermocouples.
Preheat performance: Evaluates the temperature after a 10 minute preheat using thermocouples. It also gives an indication how quickly the grill reaches its maximum temperature.
Temperature range: Reflects how wide a temperature span the grill offers by comparing temperatures at the high setting and low setting using all the main burners.