RT Horizontal flat panel radiator.  Ref: RT
Overall dimension 100mm from wall.
Width of section 55mm including gap between each section.
Pipe centres 60mm from wall.

(H 220mm x W500mm 4 sections = btu 676)
(H 330mm x W500mm 6 sections = btu 1017)
(H 440mm x W500mm 8 sections = btu 1355)
(H 550mm x W500mm 10 sections = btu 1692)
(H 660mm x W500mm 12 sections = btu 2030)

(H 220mm x W600mm 4 sections = btu 792)
(H 330mm x W600mm 6 sections = btu 1191)
(H 440mm x W600mm 8 sections = btu 1587)
(H 550mm x W600mm 10 sections = btu 1982)
(H 660mm x W600mm 12 sections = btu 2378)

(H 220mm x W750mm 4 sections = btu 962)
(H 330mm x W750mm 6 sections = btu 1447)
(H 440mm x W750mm 8 sections = btu 1928)
(H 550mm x W750mm 10 sections = btu 2409)
(H 660mm x W750mm 12 sections = btu 2890)

(H 220mm x W865mm 4 sections = btu 1092)
(H 330mm x W865mm 6 sections = btu 1641)
(H 440mm x W865mm 8 sections = btu 2187)
(H 550mm x W865mm 10 sections = btu 2733)
(H 660mm x W865mm 12 sections = btu 3279)

(H 220mm x W1000mm 4 sections = btu 1245)
(H 330mm x W1000mm 6 sections = btu 1866)
(H 440mm x W1000mm 8 sections = btu 2491)
(H 550mm x W1000mm 10 sections = btu 3112)
(H 660mm x W1000mm 12 sections = btu 3733)

(H 220mm x W1200mm 4 sections = btu 1471)
(H 330mm x W1200mm 6 sections = btu 2208)
(H 440mm x W1200mm 8 sections = btu 2941)
(H 550mm x W1200mm 10 sections = btu 3678)
(H 660mm x W1200mm 12 sections = btu 4415)

(H 220mm x W1500mm 4 sections = btu 1815)
(H 330mm x W1500mm 6 sections = btu 2726)
(H 440mm x W1500mm 8 sections = btu 3634)
(H 550mm x W1500mm 10 sections = btu 4541)
(H 660mm x W1500mm 12 sections = btu 5449)

(H 220mm x W1800mm 4 sections = btu 2170)
(H 330mm x W1800mm 6 sections = btu 3255)
(H 440mm x W1800mm 8 sections = btu 4340)
(H 550mm x W1800mm 10 sections = btu 5424)
(H 660mm x W1800mm 12 sections = btu 6510)