Hayward 400,000 BTU Universal Forced Draft H-Series

Save $300

$3,999 $4,299

Product Description

The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional.

Hayward Item Code: W3H400FDN and W3H400FDP (Alternatively H400FDN & H400FDP)


  • 83% Efficiency.
  • Standard Cupro Nickel Heat Exchanger - Excellent salt water and chemical corrosion resistance.
  • Exclusive 'Totally Managed' - Same water velocity through all tubes for faster heating.
  • Patented Header By-Pass Design - Up to 18 percent saving by reducing pump run-time.
  • 2" x 2.5" CPVC Union Connections - Adapts to larger plumbing recommended for greater efficiencies.
  • Low NOx Emissions - Meets clean air quality standards.
  • Updated PCB Display - New enclosure protected from the elements and weather.
  • Polymer Tube Bends - Eliminating tinned tubes.
  • Easily connect to all brands of automation.
  • Additional Discounts / Rebates may apply, please contact us for details

Did You Know?

  • Quick plumbing kit available when replacing Pentair and Jandy heaters.
    • UHXWJAK1930 used when replacing Jandy JXi.
    • UHXWPAK1930 used when replacing Pentair MasterTemp.
  • When a chlorinator is installed down stream of any heater ensure you are using a check valve to prevent high concentrate chlorine back flowing into heater causing premature failure (PSCV2SDGR or PSCV2S2DGR).








    Venting Specification

    • Hayward H400FDN & H400FDP Vertical Adapter / Negative Pressure:
      • Hayward Item Code: UHXNEGVT14008 (Adapter Only)
    • Hayward H400FDN & H400FDP Horizontal Adapter / Positive Pressure:
      • Hayward Item Code: UHXPOSHZ14008 (Adapter Only)
      • Pool Products Canada Code: PPCPOSHZKIT14008
        • Includes adapter, elbow, length, and termination cap.

      Solar Covers keep pools warm by preventing warmer water from evaporating away, saving money on chemical costs as well as reducing heating costs by 70% or more. Save your heat and save your money.



      Universal H-Series Literature


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