$3,466.28
Sale Price
In Stock (50 available)
100% Free FreightZero Surcharges
Direct Wholesale20–40% Off Retail
OEM Warranty2 Years Limited Warranty
Same-Day ShipOrder by 2 PM CST
HaywardModel / MPN:HDF400 (DNU)In Stock & Ready to Ship
Hayward HDF400 (DNU) HEATERDUAL FUEL LONX 400K
Sale Price
$4,930.03
MSRP: $8,319.42
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.
Introducing the HEATERDUAL FUEL LONX 400K manufactured by Hayward. Built to exact specifications, it seamlessly integrates into your existing Heaters setup. Specifics: HDF400 - HEATER-DUAL FUEL LONX 400K. Order yours today to ensure your pool remains in perfect condition.
Customer Reviews
5
0 Reviews
No reviews yet
Be the first to review this product!
Technical Resources & Silo
Sizing Guides & Authorized Hayward Resources
Review contractor sizing formulas, manufacturer comparisons, and complete Hayward catalogs for this heaters.
Sizing Guide
Pool Heater BTU Sizing & Temperature Calculator
Calculate required BTU output based on surface area, climate zone, and wind exposure.
Read Technical Guide
Efficiency Comparison
Gas Heaters vs. Electric Heat Pumps
Operating cost breakdown, cold weather performance, and high-COP heat pump metrics.
Read Technical Guide
Brand Comparison
Pentair vs. Hayward vs. Jandy Pool Heaters
Cupro-nickel vs titanium heat exchangers and commercial installation requirements.
Read Technical Guide
Related Products
$4,555.57
Sale Price
$5,896.14
Sale Price
$5,357.98
Sale Price