Raypak Professional Series Digital B-R408-EN-X #51 399k BTU Natural Gas Cupronickel Pool Heater

Raypak B-R408-EN-X #51 399,000 BTU Natural Gas Cupronickel Heater

The Raypak B-R408-EN-X #51 is a 399,000 BTU natural gas pool and spa heater designed for high-output heating in elevated commercial and residential applications. Featuring a cupronickel heat exchanger, this model provides exceptional resistance to corrosion and chemical wear, making it ideal for saltwater pools and high-demand environments.

As part of Raypak’s Professional Series, this heater meets ASME standards and is engineered for durability in installations such as hotels, apartments, and community pools.

High Elevation Performance with Maximum Heating Output

The #51 configuration ensures proper combustion at higher elevations, maintaining efficiency and consistent performance. The digital control system allows for precise temperature adjustment, while the electronic ignition system provides reliable operation.

Built with bronze headers, stainless steel burners, and a cupronickel heat exchanger, this heater is designed for long-term reliability in demanding applications.

Key Features

• 399,000 BTU heating capacity for large pools and spas
• #51 configuration for higher elevation operation
• Natural gas powered for strong heating performance
• Cupronickel heat exchanger for corrosion resistance
• ASME certified for commercial use
• Digital control panel with precise temperature control
• Electronic ignition system with no standing pilot
• Bronze headers for durability
• Wind-resistant atmospheric burner design
• Ideal for saltwater and high-demand systems

About the Raypak Professional Series Digital

Raypak Professional Series Digital pool heaters are engineered for high-performance heating in demanding residential and commercial pool environments. Built with a cupronickel fin tube heat exchanger, these heaters provide superior resistance to corrosion and chemical wear, making them ideal for saltwater and aggressive water conditions. Designed for long-term durability, the Professional Series features robust internal components and is available in multiple elevation configurations to ensure proper combustion and consistent performance at varying altitudes. The digital control system delivers precise temperature management, while the electronic ignition eliminates the need for a standing pilot, improving efficiency and reliability. With proven atmospheric burner technology and commercial-grade construction, Raypak Professional Series Digital heaters offer dependable, high-output heating for medium to large pool systems.