Replacement Parts Diagram for Hayward H-Series H350FDN Heater
Replacement Parts Diagram for Hayward H-Series H350FDN Heater with Clickable Hotspots for Heat Exchangers, Headers, Fuses, and Pressure-Sensitive Components
Use the diagram above to identify key internal components for your H350FDN heater, then check the listings below for full specs and best local pricing on in-stock parts.
Seal the header assembly properly using the FDXLFOR1930 Header O-Ring Kit for Universal H-Series heaters.
The FDXLWPS1930 Water Pressure Switch ensures proper system operation by detecting minimum flow conditions in FD heaters.
Protect sensitive electronics with the FDXLFSK1930 Fuse Service Kit, compatible with both H-Series and HC-Series models.
Manage internal power connections safely using the FDXLFWP1930 Field Wiring Panel, built for Universal H-Series Low NOx heaters.
The FDXLFHA1930 Header Assembly restores performance in heaters with damaged or corroded inlet/outlet manifolds.
Restore thermal efficiency with the FDXLHXA1350 Heat Exchanger Assembly for Hayward H350FD heaters, designed to resist scale and corrosion.
All H350FDN heater replacement parts—header kits, exchangers, fuses, and more—are in stock with best local pricing and full diagram reference support.