Raypak Digital P-R406A-EN-C #52 399k BTU Natural Gas Copper Pool Heater

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

The Raypak P-R406A-EN-C #52 is a 399,000 BTU natural gas pool and spa heater built for maximum heating performance at elevations between 6,000 and 9,000 feet. Designed for large residential pools and spas, this model delivers rapid heat-up and reliable temperature control using a copper fin tube heat exchanger.

Part of Raypak’s Digital Gas Heater series, the unit features a rugged, corrosion-resistant cabinet and a compact footprint for outdoor installations. The burner system is specifically tuned for high elevation environments, ensuring stable combustion and consistent operation.

High Output Heating for High Elevation Applications

The #52 configuration maintains proper combustion efficiency at high elevations, delivering reliable performance under demanding conditions. The digital control panel provides precise temperature adjustment, while the electronic ignition system ensures dependable operation without a standing pilot.

The Unitherm Governor helps prevent condensation and scale buildup, and polymer headers protect against corrosion, extending the heater’s service life.

Key Features

• 399,000 BTU heating capacity for large residential pools and spas
• #52 configuration for 6,000 to 9,000 ft elevation
• Natural gas powered for high-output heating
• Copper fin tube heat exchanger for efficient performance
• Digital control panel with microprocessor thermostat
• Electronic ignition system with no standing pilot
• Unitherm Governor for condensation protection
• Polymer headers for corrosion resistance
• Wind-resistant burner 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.