Hayward W3H250FDN Universal H-Series Pool Heater 250K Natural Gas Low Nox

HaywardSKU: W3H250FDN

Sale price$3,179.00
In stock


The Hayward Universal H-Series is a totally new gas heater design that combines industry leading hydraulic performance, environmentally responsible low-NOx emissions and superior reliability with the installation flexibility to easily adapt to new or existing pools and spas for what just might be the most perfect combination of features and benefits ever offered in an in-ground pool and spa heater.

Hayward's Universal H-Series gas heater adapts to each pool and spa owner's needs to make life a little more flexible and convenient.

NOTE: The Hayward Universal H-Series of heaters meet the NOx Emission standards set by the California South Coast Quality Air Management Commission for 2001 and the Texas Natural Resource Conservation Commission Code.


  • Great Low Profile Appearance
  • Environmentally Responsible Low NOx Emissions
  • Patent Pending Polymer Header Design for Industry Leading Hydraulic Performance
  • Totally Managed Cupro Nickel Heat Exchanger Flow for Superior Reliability
  • 2" x 2 1/2" CPVC Union Plumbing Fittings
  • The Right Connections for Easy Installation, Service and Use

Ultimate Installation Flexibility for New or Existing Equipment Pads

  • Independent Left or Right Side Electric, Water and Gas Connections
  • 25% Lighter Weight Means Less Physical Effort to Install
  • Only Front Panel Access Required for Installation and Service
  • Easy Gas Valve Adjustment
  • Easy Dual Voltage Conversion with Fuse Protected Circuit Boards

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