Music City Metals 21002-76112 Cast Iron Burner Replacement for Select Thermos Gas Grill Models Listing is for a twin burner head and 2 venturis. 19.5 x 8 inch cast iron H twin burner with 2.25 inches offset gas inlets with 7.75 x 2.3125 inch venturis Fits Thermos 15400A, 15500, 15501QA, 15502, 15503QA, 15504QA, 15505QA, 15510, 15511, 15512, 15514, 15515, 15516, 15519, 15521, 15522, 15601CA Fits Thermos 15602CA, 15603, 15604, 15605, 15607, 15607 series, 15608, 15609, 15610, 15611, 15612, 15613, 15614, 15615, 15616, 15617, 15617 series Fits Thermos 15619, 15620U, 15621, 15621 series, 15622, 15623, 15624A, 15625A, 15626A, 15627A, 156324, 15701FA, 15702FA, 15703FA, 15704, 15705, 15706