Universal H-Series™ Low NOx DIAGRAM Parts Diagram: H150FDAU, H250FDAU, H400FDAU 2 8 5 1 28 13 12 14 4 6 10 10 31 3 7 9 11 16 17 15 18 19 20 25 24 35 38 27 32 30 36 33 29 37 39 34 PRICES DO NOT INCLUDE GST 118