A grilling appliance comprising: a grill housing ; a set of burner elements ; a plurality of fuel delivery ports , wherein the set of burner elements are selectively and interchangeably engaged with at least one of the fuel delivery ports to define a plurality of burnerconditions; at least one ignitor in communication with the plurality of fuel delivery ports in each of the burner conditions, wherein the at least one ignitor is in a fixed position with respect to the plurality of fuel delivery ports , wherein the plurality of fuel delivery ports includes first and second fuel delivery ports extending from a grill housing ; a first small burner element of the set of burner elements selectively connected to one of the first and second fuel delivery ports to define a single-burner condition of the plurality of burner conditions; a second small burner element of the set of burner elements selectively connected to the other of the first and second fuel delivery ports to define, with the first small burner element , a twin-burner condition of the plurality of burner conditions; characterized in that the grilling appliance comprises an elongated burner element of the set of burner elements having two fuel inlets selectively connected to the first and second fuel delivery ports to define, when the first and second small burner elements are removed from the first and second fuel delivery ports , a large-burner condition of the plurality of burner conditions, wherein the at least one ignitor is in communication with the first small burner element in the single-burner condition , the first and second small burner elements in the twin-burner condition and the elongated burner element in the large-burner condition . a grill housing ; a set of burner elements ; a plurality of fuel delivery ports , wherein the set of burner elements are selectively and interchangeably engaged with at least one of the fuel delivery ports to define a plurality of burnerconditions; at least one ignitor in communication with the plurality of fuel delivery ports in each of the burner conditions, wherein the at least one ignitor is in a fixed position with respect to the plurality of fuel delivery ports , wherein the plurality of fuel delivery ports includes first and second fuel delivery ports extending from a grill housing ; a first small burner element of the set of burner elements selectively connected to one of the first and second fuel delivery ports to define a single-burner condition of the plurality of burner conditions; a second small burner element of the set of burner elements selectively connected to the other of the first and second fuel delivery ports to define, with the first small burner element , a twin-burner condition of the plurality of burner conditions; characterized in that the grilling appliance comprises an elongated burner element of the set of burner elements having two fuel inlets selectively connected to the first and second fuel delivery ports to define, when the first and second small burner elements are removed from the first and second fuel delivery ports , a large-burner condition of the plurality of burner conditions, wherein the at least one ignitor is in communication with the first small burner element in the single-burner condition , the first and second small burner elements in the twin-burner condition and the elongated burner element in the large-burner condition . <EOS>