Hayward - W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater

W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater
W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater
W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater
W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater

Hayward - W3H400FDN Universal H-Series, Low NOx, 400K BTU, Natural Gas, Pool & Spa Heater

Item No. 385629
Manufacturer SKU: W3H400FDN
3.2 out of 5 Customer Rating
Hayward W3H400FDN Universal H-Series, Low NOx, 400,000 BTU, Natural Gas, Pool and Spa Heater delivering durability, reliability, and energy efficiency. More Details
Availability:
  • In Stock
$2,699.99
Excludes all spa covers.

Customer specific promo - $10 off for that customer id



Description

Hayward W3H400FDN Universal H-Series, Low NOx, 400,000 BTU, Natural Gas, Pool and Spa Heater delivering durability, reliability, and energy efficiency.
  • Totally Managed Flow for salt-water pools
  • Finn Plate heat exchanger
  • Fire Tile for trapping heat
  • Silicon nitride ignition system
  • 110V or 220V
  • High and low voltage connections
  • Digital LED display
  • Low NOx certification
  • Cupro-Nickel Heat Exchanger ensures compatibility with almost all pools
  • 83-84% industry-leading thermal efficiency
  • Choice of left-side or right-side electric, gas and water connections (delivered right-side by default)
  • 3/4" Gas Connection at heater
  • 2" or 2-1/2" Plumbing Connections
  • Dimension 36" Width x 30" Depth x 24" Height
  • Online SKU replacement for In-Store SKU: H400FDN

Details

The Hayward Universal H-Series Natural Gas Pool Heater brings you quiet, efficient heating for your pool and spa. Its compact design takes up less room on the equipment pad for simple convenience and management. The Hayward Universal H-Series Heaters are extremely versatile allowing you to configure water, gas and electric connections on either the right or left side. (Delivered right-side by default).

Using natural gas, the Hayward H-Series is reliable and boasts higher heating efficiencies. Connecting to your natural gas line, the Hayward Universal H-Series W3H400FDN is easy to install, utilizing its built-in inlet and outlet union connections.

Hayward Natural Gas heaters are quiet, certified for low NOx emissions and eco-friendly. This makes them a dependable and safe pool heater for you and the environment. The W3H400FDN is equipped with a cupro-nickel heat exchanger to make it salt water capable.

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. 214 lbs
Does it come with unions?
  • Yes, this unit comes with 2" threaded unions.
Heat Exchanger type?
  • 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".

Highlights

Dual Voltage
Installation is simplified with voltage that adapts to either 110V or 220V.
Universal Wiring Junction Boxes
High and low voltage connections are easy and convenient with left and right side junction boxes.
Hot-Surface Silicon Nitride Ignition System
Exclusive silicon nitride ignition system for dependable lighting and reliable operation.
Digital LED Control Panel
Electronic control display maintains water temperature; monitors heater performance with self-diagnostic capability
Insulated FireTile Combustion Chamber
Unlike older forms of insulation, FireTile securely traps the heat, delivering the most performance from each BTU.
Low NOx Emissions
Environmentally responsible; complies with all current California and Texas air quality emission standards.
Standard Cupro Nickel Heat Exchanger
Totally Managed Flow provides exceptional corrosion resistance and erosion protection. Ideal for today's salt-based electronic chlorination systems.
Superior Hydraulic Performance
Industry-leading hydraulic performance saves energy by reducing circulation pump run time.
State-of-the-Art Finn Plate Heat Exchanger
State-of-the-industry Finn Plate heat exchanger with special V-groove design for faster heating and longer life.

Specs

Product Type: Pool Heater
Heat Exchanger: Cupro-Nickel
Controls: Digital
Ignition: Electronic
Emission: Low NOx
Fuel Type: Natural Gas
Installation Type: Residential
Pool Type: Spa/Hot Tub
Eco-Friendly: Yes
Energy Efficient: Yes
Pool Type: In Ground
Voltage: 110V / 220V
Heat Output: 400,000 BTU
Manufacturer: Hayward
Warranty: 1-Year
Elevation: 0 - 10,100 ft
Online Favorite: 2018


Warranty

One (1) Year Limited Warranty on Product, see Owner's Manual for a full description of warranty claims and coverage details.