Replacement Parts Diagram for Hayward H-Series H400FDN Heater
Replacement Parts Diagram for Hayward H-Series H400FDN Heater with Clickable Hotspots for Ignitors, Blowers, Flame Sensors, and Natural Gas Components
Use the interactive diagram above to locate critical H400FDN heater parts, then explore the detailed product listings below for specs, compatibility, and best local pricing.
Control fuel delivery with the FDXLGSV0001 Natural Gas Valve, made for Universal H-Series Low NOx natural gas heaters.
The FDXLHXA1400 Heat Exchanger offers reliable heating performance and corrosion resistance for H400FD models.
Monitor flame status with the IDXLFLS1930 Flame Sensor, which helps ensure safe startup operation in induced draft heaters.
Connect to your system easily with the SPX3200UNKIT Union Connector Kit, designed for use on Hayward heaters, pumps, and filters.
Ensure proper combustion with the FDXLBWR1930 Combustion Blower for H-Series Low NOx heater models.
The FDXLIGN1930 Ignitor provides reliable ignition for FD heaters, helping ensure quick and consistent heater startup.
All parts for the Hayward H400FDN heater—gas valves, ignitors, heat exchangers, and more—are in stock with competitive local pricing and full diagram reference support.