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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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
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