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Hayward Universal H Series Pool Heater W3H400FDN

Regular price $3,999.00 CAD
Regular price Sale price $3,999.00 CAD
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Brand: Hayward
Product Name:
Universal H Series Pool Heater (Natural Gas)
Model Number: W3H400FDN (Previously H400FDN)
Dimensions: 36"W x 29.5"Dx 24"H (914.4mm x 749.3mm x 609.6mm )
BTU/Hr: 400,000
Digital Thermostat:  Yes
Voltage 110V/230V 
Water connections:  2" - 2.5"


  • 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