3 ring cast iron burner assy 12" dia, 90,000 btu now complete w/pipe nipples. air shutters are both same size, single air shutter with 2 windows, 2.848" id, .467" hole. for air shutter only use # 26-2729 dynamic cooking systems imperial range ispa, tempura solid state pocket gas detector # 85-1101 teflon thread sealing tape, # 85-1109 (1/2" x 520") teflon sealing "pink" h/d tape # 85-1130 (1/2" x 260") "gripp" heavt duty thread sealer 1/2 pint, # 85-1101 ptfe heavy duty thread sealer 1/4 pint # 85-1136

Fits Model Imperial: ICRA-1, ICRA-2, ICRA-3, ICRA-4, ICRA-5, ISPA-18, ISPA-18-2, ISPA-18W, ISPA-18W-2, ITGA-48, ITGA-60

Replaces Part Number DYNAMIC COOKING SYSTEMS: 12027, 12028

Replaces Part Number IMPERIAL: 15000, 15003, 15004, 2103