Hayward Heat Exchanger Assembly Replacement for H400FD Universal H-Series Pool Heater | FDXLHXA1400
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Description
Hayward FDXLHXA1400 Heat Exchanger Assembly – Replacement for H400FD Universal H-Series Heater
Key Features
- OEM Hayward Replacement: Genuine factory heat exchanger assembly for the H400FD Universal H-Series heater.
- High-Efficiency Cupro-Nickel Construction: Delivers superior thermal performance and corrosion resistance, even in saltwater pools.
- Restores Full Heating Capacity: Ideal solution for replacing leaking or damaged heat exchangers to regain 400,000 BTU output.
- Engineered for Fit & Performance: Precision-matched to Hayward’s combustion chamber and header assembly — no retrofitting required.
- Trusted for Harsh Environments: Built for maximum durability in high-flow, high-heat, and chemical-exposed conditions.
Product Overview
The Hayward FDXLHXA1400 Heat Exchanger Assembly is the genuine replacement part for Hayward Universal H-Series H400FD pool and spa heaters. Constructed from high-performance cupro-nickel, this OEM exchanger resists corrosion from salt and chemical exposure while delivering fast, efficient heat transfer. Whether you’re servicing a leaking exchanger or restoring your unit’s full capacity, this assembly ensures safe, long-term operation and full compatibility with your Hayward heater system.
Specifications
- Part Number: FDXLHXA1400
- BTU Capacity: 400,000 BTU
- Heater Compatibility: Hayward H400FD (Universal H-Series)
- Material: Cupro-Nickel Tube Bundle
- Includes: Integrated manifold, gaskets, mounting hardware
- Connections: Factory pre-assembled for drop-in replacement
What’s Included
- Complete FDXLHXA1400 Heat Exchanger Assembly
- Factory-installed tube bundle and manifold
- Gaskets and mounting hardware
- *Does not include heater body or control board
Why Buy From Best Buy Pool Supply?
- Authorized Hayward Dealer
- Fast shipping
- Expert technical support to confirm part compatibility
Shipping & Returns
- Shipping: Ships in 1–2 business days
- Returns: 30-day return policy for unopened, unused parts
Need Help Identifying Your Heater Model?
Call us at (800) 877-1268 or contact us here — our support team will help ensure this is the correct heat exchanger for your Hayward Universal H-Series unit.
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.