Hayward Universal H-Series Natural Gas Heater | 400,000 BTUs | Low NOx | H400FDN

Hayward Universal H-Series Natural Gas Heater

​The Hayward Universal H-Series H400FDN is a top-tier natural gas pool and spa heater, delivering 400,000 BTUs of heating power. Designed for energy efficiency and high performance, it features a standard cupro-nickel heat exchanger that offers superior durability and corrosion resistance, making it ideal for saltwater pools. Its innovative hydraulic design reduces pump run time, resulting in up to 18% energy savings. The heater's adaptability is enhanced by universal left- or right-side electric, gas, and water connections, simplifying installation in various configurations. Additionally, it meets low NOx emission standards, aligning with environmentally responsible practices. Additionally, the intuitive control pad—complete with a protective cover—ensures user-friendly operation and easy readability in all conditions. Meeting low NOx emission standards, the Hayward H-Series H400FDN is an environmentally conscious solution, combining energy efficiency, robust construction, and simplified maintenance.

Highlights

• Standard Cupro-Nickel Heat Exchanger: Provides superior value and reliability, ensuring longevity even in saltwater environments.

• Patented Polymer Header and Bypass Valve Design: Enhances hydraulic efficiency and reliability, contributing to faster heating.

• Universal Design: Allows for easy and versatile professional installation, accommodating various equipment configurations.

• Environmentally Responsible Low NOx Emissions: Meets or exceeds air quality emission standards in all low NOx regions, making it an eco-friendly choice.
  

Specifications

• Plumbing Connections: 2" x 2-1/2"

• Energy Efficiency: Up to 18% energy saving

• Fuel Type: Natural Gas

• Heating Capacity: 400,000 BTU

• Voltage: 110V / 220V

• Dimensions: 24" x 34" x 29.5"

• Weight: 210 lb

• Max Flow Rate: 125

• Min Flow Rate: 30