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by Hayward

Hayward W3H400FDP Universal H-Series Propane Heater 400K BTU Low NOx

Original price $3,999.00 - Original price $3,999.00
Original price
$3,999.00 - $3,999.00
Current price $3,999.00

Why shop with Vita Filters

  • Authorized Hayward Dealer
  • Free Shipping • No Minimum
  • 30-Day Returns
  • Backed By Manufacturer's Warranty
  • 100% Satisfaction Guaranteed!
  • On-Staff Experts • Contact us


The Universal H-Series is an energy-efficient, high-performance, installation-adaptable commitment to the pool service professional.
  • Standard cupro nickel heat exchanger
  • Excellent salt water and chemical corrosion resistance
  • Exclusive "Totally Managed" cupro nickel heat exchanger water flow
  • Same water velocity through all tubes for faster heating
  • Patented header by-pass design
  • Up to 18 percent savings by reducing pump run-time
  • 2in x 2 1/2in CPVC union plumbing connections
  • Common union for installation or service adapts to larger plumbing recommended for greater efficiencies
  • Low NOx emissions - meets clean air quality standards
Support Documents:


    • Brand: Hayward
    • Shipping Dimensions: 39.6 inch x 32.8 x 30.6 inch
    • BTU Output: 400000 British thermal unit
    • Weight: 214 pounds
    • Fuel Type: Propane
    • Commercial, Residential, or Professional: Commercial, Residential
    • Heat Exchanger Material: Cupro Nickel
    • Weight: 214 pounds
    • UPC Code: 0610377387279

    FREE SHIPPING - Usually ships in 1-5 business days.

    Hayward Warranty Support

    Disclaimer: Professional installation is required (not included). Proof of installation by an industry technician is required to validate the factory warranty.

    *Please Note: Images are for representation.


    These people are great! They even call you back :) Great communication. I'll be using them again for sure! Best prices as well.

    Brad R.

    Huge selection, excellent descriptions on website, reasonable prices, and quick shipping!

    John B.

    Very fast shipping, easy ordering, and competitive prices.

    Chemistry Coffee

    Customer service that’s 2nd to none! Staff at Vita Filters is super accessible and accommodating!

    Mary H.

    I highly recommend Vita Filters to anyone seeking a high-quality, long-lasting filtration system!

    Brianna B.

    Customer service is 1st Class.

    Stephen J.