Product Overview

The Hayward 400K FD Series Heat Exchanger Assembly | FDXLHXA1400A is the genuine Hayward replacement heat exchanger assembly for Hayward Universal H-Series FD — legacy controls.

Ideal For

Replacing a leaking or damaged heat exchanger on a 400K BTU ASME commercial heater

Pool service professionals who stock Hayward parts

Key Features

Genuine Hayward OEM replacement part

Factory part number FDXLHXA1400A

Listed on the factory chart as the ASME heat exchanger assembly for the 400k BTU commercial heater

Specifications

Warranty & Compatibility

Confirm your model and production date against the factory parts diagram before ordering. Not sure this is the right part? Call or text 725-205-1783 and a pool tech will confirm it before you buy.

Customer-Facing Q&A

Q: What part number is this?
A: Hayward part number FDXLHXA1400A.

Q: What does it fit?
A: The factory parts chart lists it for Hayward Universal H-Series FD — legacy controls.