Raypak ASME B-R406A-EN-C #50 399k BTU Natural Gas Copper Pool Heater

Raypak B-R406A-EN-C #50 399,000 BTU Natural Gas Copper Heater

The Raypak B-R406A-EN-C #50 is a 399,000 BTU natural gas pool and spa heater designed for maximum heating performance in residential and light commercial applications. Ideal for large pools and spas, this model delivers rapid heat-up and consistent temperature control.

As part of Raypak’s Professional Series, this heater is built with a copper fin tube heat exchanger and durable internal components designed for long-term reliability. Its rugged cabinet allows for dependable outdoor operation.

Maximum Heating Capacity with Professional Grade Reliability

The #50 configuration is designed for standard elevation installations, ensuring proper combustion and efficient operation. The digital control system provides precise temperature adjustments, while the electronic ignition system ensures reliable startup.

The copper heat exchanger provides excellent thermal performance, making this unit a strong choice for high-demand pool heating applications.

Key Features

• 399,000 BTU heating capacity for large residential and commercial pools
• #50 configuration for standard elevation use
• Natural gas powered heater
• Copper fin tube heat exchanger for efficient performance
• 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 use
• Ideal for high-demand 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.