Skip to content
Free Shipping on all orders!
Free Shipping on all orders!
by Hayward

Hayward W3H400FDN H-Series Natural Gas Heater 400K BTU Low NOx

SKU W3H400FDN
Original price $3,999.00 - Original price $3,999.00
Original price
$3,999.00
$3,999.00 - $3,999.00
Current price $3,999.00

Why shop with Vita Filters

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

Description:

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:

    Specifications:

    • Active Defrost No
    • Application New Construction, Renovation, Pool
    • Boost Mode No
    • Brand Hayward
    • Channel Open Line
    • Circuit Amps 5.5000
    • Cooling Capability No
    • Fuel Type Natural Gas
    • GTIN 610377387255
    • Heating Capacity (BTU/Hr) 399900
    • Hertz 60 Hz
    • Kilowatts 117 kW
    • Labor Warranty None
    • Low Ambient Operation No
    • Master Carton Qty 1
    • Maximum Fuse Breaker Size (Amps) 15.0000
    • Minimum Circuit Amps 5.5 A
    • Pallet Qty 1
    • Parts Warranty 3-year
    • Phase Heaters 1.0000
    • Pool Type In Ground
    • Product Dimensions 24 " x 34 " x 29.5 "
    • Product Height 24 in
    • Product Length 29.5 in
    • Product Weight 195 lb
    • Product Width 34 in
    • Rear Clearance - Heaters 6 in
    • Refrigerant No
    • Series Heaters Universal HSeries
    • Shipping Dimensions 30.6 " x 32.8 " x 39.6 "
    • Shipping Height 30.6 in
    • Shipping Length 39.6 in
    • Shipping Weight 214 lb
    • Shipping Width 32.8 in
    • Side Clearance - Heaters 12 in
    • Silent Mode No
    • Thermal Efficiency 84 %
    • Water Flow Rate Max 125
    • Water Flow Rate Min 30

    Common Questions

    What are the dimensions of the unit?

    • Heater Dimensions: 36-1/2" Width x 29-1/2" Depth x 24" Height
    • Weight: Approx. 210 lbs.

    What Heat Exchanger type of the Hayward Universal H-Series Pool Heater?

    • Cupro-Nickel Heat Exchanger

    Is this unit Low NOx?

    • Yes, this unit meets all state air quality regulations.

    Plumbing Size?

    • This unit is plumbed 2" and comes with 2" unions for installation.

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

    Hayward Warranty Support

    Disclaimer: Professional installation is recommended (not included). Proof of installation by a trained technician may be required to validate the factory warranty.

    *Images are for representation.

    HAPPY CUSTOMERS

    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.