$3,466.28
Sale Price
In Stock (50 available)
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HaywardModel / MPN:HDF400 (DNU)In Stock & Ready to Ship
Hayward HDF400 (DNU) Heaterdual Fuel Lonx 400K
Sale Price
$4,401.81
SKU
HDF400 (DNU)
Category
Heaters
1
100% Free Nationwide Freight Included — $0 at Checkout
Zero surprise liftgate, residential, or heavy freight fees at checkout. Direct commercial wholesale fulfillment with genuine manufacturer warranties. Same-day dispatch on orders before 2 PM CST.
The Hayward Heaterdual Fuel Lonx 400K (Model / SKU #HDF400 (DNU)) is a commercial-grade aquatic component engineered for high-performance heaters systems. Manufactured to strict tolerances (HEATER-DUAL FUEL LONX 400K), this unit ensures hydraulic balance and seamless system integration. Built to withstand continuous pool operation, heavy chemical exposure, and diverse weather conditions. Offered at direct wholesale trade pricing and eligible for fast, 100% free freight shipping nationwide from US regional distribution centers.
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Technical Resources & Silo
Sizing Guides & Authorized Hayward Resources
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Sizing Guide
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