Raypak ASME B-R406A-EN-C #52 399k BTU Natural Gas Copper Pool Heater

Raypak B-R406A-EN-C #52 399,000 BTU Natural Gas Copper Heater

The Raypak B-R406A-EN-C #52 is a 399,000 BTU natural gas pool and spa heater engineered for high elevation performance between approximately 6,000 and 8,999 feet. Designed for large residential and commercial applications, this model delivers powerful and consistent heating in environments where standard heaters lose efficiency.

Built within Raypak’s Professional Series, this heater features a copper fin tube heat exchanger and a corrosion-resistant cabinet designed for long-term durability and outdoor reliability.

High Elevation Heating with Maximum Output Performance

The #52 configuration ensures proper combustion and efficient operation at high elevations. The digital control panel allows for precise temperature management, while the electronic ignition system provides reliable startup without a standing pilot.

The copper heat exchanger offers excellent thermal conductivity and dependable performance in properly maintained pool systems.

Key Features

• 399,000 BTU heating capacity for large pools and spas
• #52 configuration for high elevation operation
• Natural gas powered heater
• Copper fin tube heat exchanger for efficient heating
• Professional Series construction for durability
• Digital control panel with precise temperature adjustment
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Wind-resistant design for outdoor installations
• Ideal for high elevation pool systems

About the Raypak ASME Series

Raypak ASME Series pool heaters are engineered for commercial-grade performance and long-term reliability in high-demand pool and spa applications. Constructed in accordance with ASME standards, these heaters feature heavier-duty components and thicker heat exchangers designed to withstand continuous operation and higher system pressures. Available in both copper and cupronickel configurations, the ASME Series offers flexibility for standard and saltwater pool environments, with cupronickel models providing enhanced resistance to corrosion and chemical wear. The natural gas configuration delivers consistent, cost-effective heating, while Raypak’s proven atmospheric burner design ensures stable outdoor performance. With precise digital controls, electronic ignition, and fast heat-up capability, the ASME Series provides dependable, high-output heating for commercial and large residential pool systems across a range of elevations.