Raypak ASME B-R406A-EP-X #59 399k BTU Propane Cupronickel Pool Heater

Raypak B-R406A-EP-X #59 399,000 BTU Propane Cupronickel Heater

The Raypak B-R406A-EP-X #59 is a 399,000 BTU propane pool and spa heater engineered for maximum heating performance in elevated residential and commercial applications. Designed for large pools and spas, this model delivers rapid heat-up and consistent temperature control using a cupronickel fin tube heat exchanger.

Part of Raypak’s Professional Series, this heater features heavy-duty construction and a corrosion-resistant cabinet designed for long-term outdoor durability. The propane configuration allows for flexible installation without sacrificing performance.

Maximum Output Heating with Elevated Performance Capability

The #59 configuration ensures proper combustion and efficient operation in elevated environments. The digital control system allows for precise temperature management, while the electronic ignition system ensures dependable startup without a standing pilot.

The cupronickel heat exchanger provides extended protection against corrosion and erosion, making this unit ideal for saltwater and high-demand applications.

Key Features

• 399,000 BTU heating capacity for large pools and spas
• #59 configuration for elevated installations
• Propane powered heater
• Cupronickel heat exchanger for enhanced durability
• Professional Series construction for long-term reliability
• Digital control panel with precise temperature adjustment
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Wind-resistant cabinet for outdoor installations
• Ideal for high-demand pool systems

About the Raypak ASME Series

Raypak ASME Series pool heaters are built 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 handle continuous operation and higher pressure systems. 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 digital control system delivers precise temperature management, while the electronic ignition system improves efficiency and eliminates the need for a standing pilot. Combined with Raypak’s proven atmospheric burner design, these heaters provide fast heat-up times, consistent performance, and dependable operation for commercial and large residential pool systems.