Hayward Universal H-Series Low NOx 400K BTU Heater (Natural Gas) | H400FDN

Hayward Universal H-Series Low NOx 400K BTU Heater (Natural Gas) | H400FDN

The Hayward Universal H-Series Low NOx 400K BTU Natural Gas Heater (Model H400FDN) is the ultimate choice for fast, efficient, eco-friendly pool and spa heating. This high-performance heater is built with advanced low-NOx technology, which complies with the strictest air quality standards. Designed for versatility, the H-Series is ideal for residential and commercial pool systems. Sold exclusively by ePoolSupply.com, an authorized and preferred Hayward reseller, this heater guarantees quality, efficiency, and long-lasting reliability, giving you confidence and security in your purchase.

Product Highlights

• 400,000 BTU Output: Delivers rapid heating for large pools and spas, extending your swimming season.
• Low NOx Emissions: Eco-friendly design complies with air quality regulations, including California’s stringent standards.
• Universal Design: Works with new or existing plumbing setups for hassle-free installation.
• Energy Efficient: Equipped with a hydraulic design that increases efficiency and reduces circulation pump runtime.
• Cupro-Nickel Heat Exchanger: Provides superior corrosion resistance, making it ideal for saltwater or chemically aggressive pools.
• Compact Footprint: Designed to fit in tight equipment areas without compromising performance.
• Digital LED Control Panel: Intuitive interface for easy temperature adjustments and diagnostics.

Specifications

• Model: Hayward Universal H-Series H400FDN
• Type: Low NOx Natural Gas Pool and Spa Heater
• BTU Rating: 400,000 BTU/hr
• Heat Exchanger Material: Cupro-Nickel
• Voltage: 120/240V dual voltage (field-configurable)
• Amperage: 3A (120V); 1.5A (240V)
• Dimensions: 36" L x 29.5" W x 24" H
• Weight: 214 lbs
• SKU: H400FDN
• UPC: 0610377027250

Brief History

Hayward’s Universal H-Series heaters have set the standard for pool heating, focusing on energy efficiency, durability, and environmental responsibility. The H400FDN model, one of the most popular in the series, is known for its high BTU rating and low NOx emissions. Introduced to meet increasing demand for eco-conscious products, this heater is a trusted choice for pool professionals and homeowners, promising years of reliable service.

Electrical Information

The H400FDN operates on a dual-voltage system (120/240V), allowing for flexible installation options. Proper grounding is required, and a dedicated circuit breaker is recommended to ensure safe and reliable operation. Always adhere to local electrical codes and manufacturer guidelines.

Recommended Installation Tips

1. Choose a Well-Ventilated Location: Install the heater outdoors in a well-ventilated area to ensure proper combustion and airflow.
2. Plumbing Compatibility: Utilize the universal plumbing design to integrate existing systems easily. Ensure connections are leak-free.
3. Voltage Configuration: Use the wiring diagram to set the voltage to match your electrical system. Consult a licensed electrician for proper setup.
4. Gas Line Requirements: Verify that the natural gas supply line is adequately sized to deliver consistent fuel flow.
5. Regular Maintenance: Clean the heat exchanger and inspect the burners periodically to maintain peak performance and extend heater life.

Why Buy from ePoolSupply.com?

ePoolSupply.com is your trusted source for Hayward products. As an authorized and preferred Hayward reseller, we guarantee genuine products, expert advice, and fast shipping. Our commitment to quality and customer satisfaction ensures you get the best heater for your pool or spa.

Extend your pool season with the Hayward Universal H-Series Low NOx 400K BTU Natural Gas Heater. Shop now at ePoolSupply.com for reliable, energy-efficient heating!

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