Hayward  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

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

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SKU #: 385629
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 saving energy by reducing pump run time
  • Silicon Nitride Ignition System
  • Cupro-Nickel Heat Exchanger ensures compatibility with almost all pool systems including salt pools
  • Low NOx certification
  • 83-84% industry-leading thermal efficiency
  • Patented header by-pass design
  • Corrosion resistance
  • Digital LED display
  • High and low voltage options (110V or 220V)
  • 3/4" Gas Connection at heater
  • Choice of left-side or right-side electric, gas and water connections (delivered right-side by default)
  • 2" or 2-1/2" plumbing connections

In Stock


$3,399.00

In Stock