Description

Hayward H400FDN Universal H-Series 400,000 , 250000 , 150000 BTU Pool and Spa Heater, Natural Gas, Low Nox

• Standard Cupro nickel heat exchanger for superior value and reliability
• Patented polymer header and bypass valve design for the ultimate in hydraulic efficiency and reliability
• Hayward Universal design for easy and versatile professional installation
• Environmentally responsible low NOx emissions to meet or exceed air quality emission standards in all Low NOx regions