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Hayward Universal H-Series Low NOx Heater (All BTU's)

H150FD, H200FD, H250FD, H300FD, H350FD, H400FD, H500FD

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19. Conversion Kit, LP to NA, H250FD - FDXLGCK1250PN

19. Conversion Kit, LP to NA, H250FD - FDXLGCK1250PN

Corresponds with 19 in the diagram above.  Propane to Natural Gas Only.  Only works for 250,000 BTU. 
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19. Conversion Kit, NA to LP, H300FD - FDXLGCK1300NP

19. Conversion Kit, NA to LP, H300FD - FDXLGCK1300NP

Corresponds with 19 in the diagram above.  Natural Gas to Propane Only.  Only works for 300,000 BTU. 
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19. Conversion Kit, LP to NA, H300FD - FDXLGCK1300PN

19. Conversion Kit, LP to NA, H300FD - FDXLGCK1300PN

Corresponds with 19 in the diagram above.  Propane to Natural Gas Only.  Only works for 300,000 BTU. 
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19. Conversion Kit, NA to LP, H350FD - FDXLGCK1350NP

19. Conversion Kit, NA to LP, H350FD - FDXLGCK1350NP

Corresponds with 19 in the diagram above.  Natural Gas to Propane Only.  Only works for 350,000 BTU. 
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19. Conversion Kit, LP to NA, H350FD - FDXLGCK1350PN

19. Conversion Kit, LP to NA, H350FD - FDXLGCK1350PN

Corresponds with 19 in the diagram above.  Propane to Natural Gas Only.  Only works for 350,000 BTU. 
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19. Conversion Kit, NA to LP, H400FD - FDXLGCK1400NP

19. Conversion Kit, NA to LP, H400FD - FDXLGCK1400NP

Corresponds with 19 in the diagram above.  Natural Gas to Propane Only.  Only works for 400,000 BTU. 
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19. Conversion Kit, LP to NA, H400FD - FDXLGCK1400PN

19. Conversion Kit, LP to NA, H400FD - FDXLGCK1400PN

Corresponds with 19 in the diagram above.  Propane to Natural Gas Only.  Only works for 400,000 BTU. 
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19. Gas Conversion Kit, NA to LP, H500FD - FDXLGCK1500NP

19. Gas Conversion Kit, NA to LP, H500FD - FDXLGCK1500NP

Corresponds with 19 in the diagram above.  Natural Gas to Propane Only.  Only works for 500,000 BTU. 
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19. Gas Conversion Kit, LP to NA, H500FD - FDXLGCK1500PN

19. Gas Conversion Kit, LP to NA, H500FD - FDXLGCK1500PN

Corresponds with 19 in the diagram above.  Propane to Natural Gas Only.  Only works for 500,000 BTU. 
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20. Combustion Blower – FD - FDXLBWR1930

20. Combustion Blower – FD - FDXLBWR1930

Corresponds with 20 in the diagram above.
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20. Combustion Blower (H500FD Only) - FDXLBWR1500

20. Combustion Blower (H500FD Only) - FDXLBWR1500

Corresponds with 20 in the diagram above.  Only works for 500,000 BTU. 
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21. Blower Vacuum Switch - FDXLBVS1930

21. Blower Vacuum Switch - FDXLBVS1930

Corresponds with 21 in the diagram above.
22. Integrated Control Board – FD - FDXLICB1930

22. Integrated Control Board – FD - FDXLICB1930

Corresponds with 22 in the diagram above.
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23. Field Wiring Panel – FD - FDXLFWP1930

23. Field Wiring Panel – FD - FDXLFWP1930

Corresponds with 23 in the diagram above.
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24. Ignitor – FD - FDXLIGN1930

24. Ignitor – FD - FDXLIGN1930

Corresponds with 24 in the diagram above.
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25. Flame Sensor - IDXLFLS1930

25. Flame Sensor - IDXLFLS1930

Corresponds with 25 in the diagram above.
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26. Transformer - IDXL2TRF1930

26. Transformer - IDXL2TRF1930

Corresponds with 26 in the diagram above.
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27. Water Pressure Switch - FDXLWPS1930

27. Water Pressure Switch - FDXLWPS1930

Corresponds with 27 in the diagram above.
28. Display Board Only - IDXL2DB1930

28. Display Board Only - IDXL2DB1930

Corresponds with 28 in the diagram above.
29. Bezel and Keypad Assembly, Taupe - FDXLBKP1930

29. Bezel and Keypad Assembly, Taupe - FDXLBKP1930

Corresponds with 29 in the diagram above.
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29. Bezel and Keypad Assembly, Blue (with Door) - FDXLBKP1932

29. Bezel and Keypad Assembly, Blue (with Door) - FDXLBKP1932

Corresponds with 29 in the diagram above.
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30. High Limit Kit - FDXLHLI1930

30. High Limit Kit - FDXLHLI1930

Corresponds with 30 in the diagram above.
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31. Thermistor - FDXLTER1930

31. Thermistor - FDXLTER1930

Corresponds with 31 in the diagram above.
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32. Gasket, Bezel/Top – FD - FDXLGSK1932

32. Gasket, Bezel/Top – FD - FDXLGSK1932

Corresponds with 32 in the diagram above.
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33. Gasket, CC Front/Air Box – FD All Models - FDXLGSK1934

33. Gasket, CC Front/Air Box – FD All Models - FDXLGSK1934

Corresponds with 33 in the diagram above.
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34. Heat Exchanger Assembly (H150FD) - FDXLHXA1150

34. Heat Exchanger Assembly (H150FD) - FDXLHXA1150

Corresponds with 34 in the diagram above. Only works for 150,000 BTU. 
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34. Heat Exchanger Assembly (H200FD) - FDXLHXA1200

34. Heat Exchanger Assembly (H200FD) - FDXLHXA1200

Corresponds with 34 in the diagram above. Only works for 200,000 BTU. 
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34. Heat Exchanger Assembly (H250FD) - FDXLHXA1250

34. Heat Exchanger Assembly (H250FD) - FDXLHXA1250

Corresponds with 34 in the diagram above. Only works for 250,000 BTU. 
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34. Heat Exchanger Assembly, ASME (H250FD) - FDXLHXA1250A

34. Heat Exchanger Assembly, ASME (H250FD) - FDXLHXA1250A

Corresponds with 34 in the diagram above. Only works for 250,000 BTU ASME. 
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34. Heat Exchanger Assembly (H300FD) - FDXLHXA1300

34. Heat Exchanger Assembly (H300FD) - FDXLHXA1300

Corresponds with 34 in the diagram above. Only works for 300,000 BTU.