Raypak Digital P-R406A-EN-C #50 399k BTU Natural Gas Copper Pool Heater

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

The Raypak P-R406A-EN-C #50 is a 399,000 BTU natural gas pool and spa heater designed for maximum heating performance in larger residential pools and spas. As the highest output model in the standard digital series, it delivers rapid heat-up times and maintains consistent water temperatures even under heavy usage conditions.

Built with a copper fin tube heat exchanger, this heater ensures efficient heat transfer while maintaining durability when water chemistry is properly balanced. The unit’s compact design and corrosion-resistant cabinet allow for reliable outdoor installation in a wide range of climates.

Maximum Heating Capacity with Digital Precision and Reliability

This model features a digital control system with a microprocessor-controlled thermostat for precise temperature control. The electronic ignition system provides consistent startups without a standing pilot, improving efficiency. The onboard diagnostic system helps monitor performance and simplify troubleshooting.

The Unitherm Governor helps prevent condensation and scale buildup, extending the life of the heat exchanger. Polymer headers resist corrosion from pool chemicals, making this unit well-suited for both traditional and saltwater pool environments.

Key Features

• 399,000 BTU heating capacity for large residential pools and spas
• Natural gas powered for high-output heating performance
• Copper fin tube heat exchanger for efficient operation
• Digital control panel with precise temperature adjustment
• Electronic ignition with no standing pilot
• Unitherm Governor protects against condensation and scaling
• Polymer headers for corrosion resistance
• Wind-resistant burner system for outdoor reliability
• Compact and service-friendly design
• Ideal for demanding residential heating applications

About the Raypak Digital Series

Raypak Digital pool heaters are designed for reliable, efficient heating across a wide range of residential and light commercial pool applications, including installations at varying elevations. Built with copper fin tube heat exchangers and Raypak’s proven atmospheric burner design, these heaters deliver fast heat-up times and consistent water temperature in real-world outdoor conditions. Available in multiple elevation configurations, the Digital Series ensures proper combustion and performance whether installed at standard or higher altitudes. The microprocessor-controlled thermostat provides precise temperature management, while the electronic ignition system eliminates the need for a standing pilot, improving efficiency and ease of use. Known for their durability, serviceability, and dependable performance, Raypak Digital heaters are a trusted solution for maintaining comfortable pool temperatures season after season.