Hayward H-Series H400FDN Heater Diagram & Part List


Hayward H-Series H400FDN Heater Diagram & Part List with Clickable Hotspots for Control Boards, Displays, Transformers, and Heat Exchanger Components

Use the interactive diagram above to identify the correct parts for your Hayward H400FDN heater, then explore the listings below for detailed specs, online pricing, and free shipping.

Restore heater function with the FDXLICB1930 Integrated Control Board, designed for use with Universal H-Series FD models.

The SPX4000FG Drain Plug & O-Ring helps prevent leaks and fits both Hayward heaters and select pump models.

Improve heating performance with the FDXLHXA1400 Heat Exchanger for H400FD heaters, designed to resist corrosion and scale buildup.

Convert incoming voltage with the IDXL2TRF1930 Transformer, which supplies 24Vac power to control systems in H-Series heaters.

Monitor heater operation with the IDXL2DB1930 Display Board, which shows system status and diagnostic codes on H-Series models.

The FDXLBKP1930 Bezel and Keypad Assembly from Swimables provides an easy-to-use interface for Low NOx heater controls.

All Hayward H400FDN heater replacement parts are in stock with free shipping and best online prices on boards, exchangers, keypads, and more.