Hayward | W3H200FDN | Universal H-Series 200K BTU Natural Gas Pool Heater – Low NOx, Energy-Efficient Heating

The Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool Heater delivers efficient, reliable heating for in-ground pools and spas. Designed with low NOx emissions to meet strict air quality standards, it provides powerful performance while maintaining environmentally responsible operation. A durable cupro-nickel heat exchanger offers exceptional corrosion resistance, making it suitable for saltwater and high-flow systems.

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Key Features

• 200,000 BTU heating capacity for small-to-medium in-ground pools and spas

• Low NOx emissions meet air quality compliance requirements

• Energy-efficient design helps reduce operating costs

• Cupro-nickel heat exchanger for superior durability and corrosion resistance

• Rapid heating for quick temperature recovery

• Compatible with Hayward automation systems for remote operation and scheduling

• Digital LED control panel for precise and easy temperature adjustment

• Polymer header and bypass valve design for improved hydraulic efficiency

• Suitable for a wide range of climates, including coastal environments

• Quiet operation for a more enjoyable backyard atmosphere

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Product Overview

The Hayward W3H200FDN Universal H-Series Natural Gas Pool Heater offers a perfect balance of performance, efficiency, and durability for small-to-medium pools and spas. With a 200,000 BTU output, it heats water quickly and maintains consistent temperatures, extending your swimming season with comfort and ease. The low NOx design meets strict environmental standards, while the cupro-nickel heat exchanger protects against corrosion in harsh water conditions. Its polymer header and bypass valve design optimize water flow for greater energy efficiency, and the digital controls make operation simple. Built for quiet operation and long-term reliability, the W3H200FDN is an ideal choice for pool owners seeking efficient natural gas heating.