RA021 Length   800 x 500mm  Watts/BTU213/727  Heating Elements A/D

RA022 Length   800 x 600mm  Watts/BTU246/839  Heating Elements B/E

RA017 Length 1200 x 500mm  Watts/BTU355/1211 Heating Elements B/E

RA018 Length 1200 x 600mm  Watts/BTU412/1407 Heating Elements B/E

RA019 Length 1800 x 500mm  Watts/BTU515/1756 Heating Elements C/F

RA020 Length 1800 x 600mm  Watts/BTU596/2035 Heating Elements C/F