18. Burner Orifice Kit Natural Gas (FD) - FDXLBON1930
18. Burner Orifice Kit Propane Gas (FD) - FDXLBOP1930
18. Burner Orifice Kit Natural Gas (H500FD Only) - FDXLBON1500
18. Burner Orifice Kit Propane Gas (H500FD Only) - FDXLBOP1500
19. Conversion Kit, NA to LP, H150FD - FDXLGCK1150NP
19. Conversion Kit, LP to NA, H150FD - FDXLGCK1150PN
19. Conversion Kit, NA to LP, H200FD - FDXLGCK1200NP
19. Conversion Kit, LP to NA, H200FD - FDXLGCK1200PN
19. Conversion Kit, NA to LP, H250FD - FDXLGCK1250NP
19. Conversion Kit, LP to NA, H250FD - FDXLGCK1250PN
19. Conversion Kit, NA to LP, H300FD - FDXLGCK1300NP
19. Conversion Kit, LP to NA, H300FD - FDXLGCK1300PN
19. Conversion Kit, NA to LP, H350FD - FDXLGCK1350NP
19. Conversion Kit, LP to NA, H350FD - FDXLGCK1350PN
19. Conversion Kit, NA to LP, H400FD - FDXLGCK1400NP
19. Conversion Kit, LP to NA, H400FD - FDXLGCK1400PN
19. Gas Conversion Kit, NA to LP, H500FD - FDXLGCK1500NP
19. Gas Conversion Kit, LP to NA, H500FD - FDXLGCK1500PN
20. Combustion Blower – FD - FDXLBWR1930
20. Combustion Blower (H500FD Only) - FDXLBWR1500
21. Blower Vacuum Switch - FDXLBVS1930
22. Integrated Control Board – FD - FDXLICB1930
23. Field Wiring Panel – FD - FDXLFWP1930
24. Ignitor – FD - FDXLIGN1930