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

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

The Hayward H400FDN Universal H-Series 400,000 BTU Low NOx Natural Gas Heater is a high-performance, energy-efficient solution designed to provide reliable heating for your pool or spa. Engineered with a standard cupro-nickel heat exchanger, this heater offers excellent saltwater and chemical corrosion resistance, ensuring longevity and durability. The exclusive "Totally Managed" water flow design and patented header bypass system enhance hydraulic efficiency, reducing pump run-time and resulting in significant energy cost savings.


Key Features:

  • Standard Cupro-Nickel Heat Exchanger: Provides superior corrosion resistance, ideal for saltwater and chemically treated pools.

  • Exclusive "Totally Managed" Water Flow: Ensures consistent water velocity through all tubes for faster heating and improved reliability.

  • Patented Header Bypass Design: Enhances hydraulic performance, reducing pump run-time and saving energy.

  • Low NOx Emissions: Meets or exceeds air quality emission standards, including California's stringent regulations.

  • 2" x 2 1/2" CPVC Union Plumbing Connections: Facilitates easy installation and service.

  • Forced Draft System: Maintains precise air flow through the combustion chamber, eliminating the need for a high-wind stack.

  • LED Control Panel: Provides digital temperature readout and diagnostics for quick identification of components that might need service.


Product Overview:

The Hayward H400FDN Universal H-Series 400,000 BTU Low NOx Natural Gas Heater combines advanced technology with user-friendly features to deliver optimal performance. Its compact design allows for flexible installation, and the forced draft system ensures consistent heating regardless of external weather conditions. Whether you're upgrading your existing system or installing a new one, this heater offers the reliability and efficiency you need to maintain a comfortable pool or spa environment.

Ā 

Active Defrost No
Application New Construction, Renovation, Aftermarket
Boost Mode No
Brand Hayward
Channel Expert Line
Circuit Amps 5.5000
Cooling Capability No
Exchanger Material
Cupronickel
Fuel Type Natural Gas
GTIN 610377027250
Heating Capacity (BTU/hr) 400000
Hertz 60 Hz
Kilowatts 117 kW
Labor Warranty 1-year
Low Ambient Operation Yes
Master Carton Qty 1
Maximum Fuse Breaker Size (Amps) 15.0000
Pallet Qty 1
Parts Warranty 3-year
Phase Heaters 1.0000
Pool Type In Ground
Rear Clearance - Heaters 6 in
Refrigerant Yes
Series Heaters Universal HSeries
Side Clearance - Heaters 12 in
Silent Mode No
Water Flow Rate Max 125
Water Flow Rate Min 30

Ā 

Literature and Manuals:

Universal H Series Brochure (LITUHS22C) Bilingual

Cupro Nickel Sell Sheet

UHS Heater How To Guide

In-Ground Pool/Spa Gas Heaters Owner's Manual

Universal H-Series Quick Start Guide

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$3,799.00
Hayward | H400FDN | Universal H-Series Natural Gas 400,000 BTU Low NOx Gas Heater—
$3,799.00
Product image 1

Description

The Hayward H400FDN Universal H-Series 400,000 BTU Low NOx Natural Gas Heater is a high-performance, energy-efficient solution designed to provide reliable heating for your pool or spa. Engineered with a standard cupro-nickel heat exchanger, this heater offers excellent saltwater and chemical corrosion resistance, ensuring longevity and durability. The exclusive "Totally Managed" water flow design and patented header bypass system enhance hydraulic efficiency, reducing pump run-time and resulting in significant energy cost savings.


Key Features:

  • Standard Cupro-Nickel Heat Exchanger: Provides superior corrosion resistance, ideal for saltwater and chemically treated pools.

  • Exclusive "Totally Managed" Water Flow: Ensures consistent water velocity through all tubes for faster heating and improved reliability.

  • Patented Header Bypass Design: Enhances hydraulic performance, reducing pump run-time and saving energy.

  • Low NOx Emissions: Meets or exceeds air quality emission standards, including California's stringent regulations.

  • 2" x 2 1/2" CPVC Union Plumbing Connections: Facilitates easy installation and service.

  • Forced Draft System: Maintains precise air flow through the combustion chamber, eliminating the need for a high-wind stack.

  • LED Control Panel: Provides digital temperature readout and diagnostics for quick identification of components that might need service.


Product Overview:

The Hayward H400FDN Universal H-Series 400,000 BTU Low NOx Natural Gas Heater combines advanced technology with user-friendly features to deliver optimal performance. Its compact design allows for flexible installation, and the forced draft system ensures consistent heating regardless of external weather conditions. Whether you're upgrading your existing system or installing a new one, this heater offers the reliability and efficiency you need to maintain a comfortable pool or spa environment.

Ā 

Active Defrost No
Application New Construction, Renovation, Aftermarket
Boost Mode No
Brand Hayward
Channel Expert Line
Circuit Amps 5.5000
Cooling Capability No
Exchanger Material
Cupronickel
Fuel Type Natural Gas
GTIN 610377027250
Heating Capacity (BTU/hr) 400000
Hertz 60 Hz
Kilowatts 117 kW
Labor Warranty 1-year
Low Ambient Operation Yes
Master Carton Qty 1
Maximum Fuse Breaker Size (Amps) 15.0000
Pallet Qty 1
Parts Warranty 3-year
Phase Heaters 1.0000
Pool Type In Ground
Rear Clearance - Heaters 6 in
Refrigerant Yes
Series Heaters Universal HSeries
Side Clearance - Heaters 12 in
Silent Mode No
Water Flow Rate Max 125
Water Flow Rate Min 30

Ā 

Literature and Manuals:

Universal H Series Brochure (LITUHS22C) Bilingual

Cupro Nickel Sell Sheet

UHS Heater How To Guide

In-Ground Pool/Spa Gas Heaters Owner's Manual

Universal H-Series Quick Start Guide

Ā 

Hayward | H400FDN | Universal H-Series Natural Gas 400,000 BTU Low NOx Gas Heater | AquaTech Pools & Spa