| Size |
12 " X 31 " 2712 BTU/h, 12 " X 47 " 4098 BTU/h, 12 " X 63 " 5489 BTU/h, 12 " X 79 " 6875 BTU/h, 15 " X 21 " 2303 BTU/h, 15 " X 25 " 2734 BTU/h, 15 " X 29 " 3169 BTU/h, 15 " X 37 " 4035 BTU/h, 15 " X 41 " 4470 BTU/h, 15 " X 45 " 4900 BTU/h, 15 " X 49 " 5336 BTU/h, 15 " X 53 " 5771 BTU/h, 15 " X 57 " 6201 BTU/h, 15 " X 61 " 6636 BTU/h, 15 " X 69 " 7502 BTU/h, 15 " X 77 " 8368 BTU/h, 15 " X 85 " 9234 BTU/h, 21 " X 17 " 2411 BTU/h, 21 " X 21 " 2972 BTU/h, 21 " X 25 " 3528 BTU/h, 21 " X 29 " 4089 BTU/h, 21 " X 33 " 4651 BTU/h, 21 " X 37 " 5206 BTU/h, 21 " X 41 " 5768 BTU/h, 21 " X 45 " 6324 BTU/h, 21 " X 49 " 6885 BTU/h, 21 " X 53 " 7446 BTU/h, 21 " X 57 " 8002 BTU/h, 21 " X 61 " 8564 BTU/h, 21 " X 69 " 9681 BTU/h, 21 " X 77 " 10798 BTU/h, 21 " X 85 " 11915 BTU/h, 27 " X 11 " 1951 BTU/h, 27 " X 17 " 2987 BTU/h, 27 " X 21 " 3683 BTU/h, 27 " X 25 " 4372 BTU/h, 27 " X 29 " 5068 BTU/h, 27 " X 33 " 5763 BTU/h, 27 " X 37 " 6452 BTU/h, 27 " X 41 " 7148 BTU/h, 27 " X 45 " 7837 BTU/h, 27 " X 53 " 9228 BTU/h, 27 " X 61 " 10613 BTU/h, 27 " X 69 " 11997 BTU/h
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Drayton TRV4 10mm Thermostatic Radiator Valve
1 × £29.86 
