Raypak Digital P-R336A-EN-C #51 332k BTU Natural Gas Copper Pool Heater

Raypak P-R336A-EN-C #51 332,000 BTU Natural Gas Copper Heater

The Raypak P-R336A-EN-C #51 is a 332,000 BTU natural gas pool and spa heater engineered for high-performance heating at elevated locations. Designed for medium to large residential pools, this model provides fast heat-up and reliable temperature maintenance using a copper fin tube heat exchanger.

As part of Raypak’s Digital Gas Heater series, this unit combines a compact, durable design with corrosion-resistant materials for long-term outdoor use. The atmospheric burner system ensures stable combustion and reliable operation in a variety of environmental conditions.

High Elevation Performance with Digital Precision and Durability

The #51 burner configuration allows for proper fuel combustion at higher elevations, ensuring consistent performance where standard models may struggle. The digital control panel provides accurate temperature adjustments, while the electronic ignition system improves efficiency and reliability.

The Unitherm Governor helps prevent internal condensation and scale buildup, protecting the heat exchanger. Polymer headers resist corrosion from pool chemicals, helping extend the lifespan of the unit in demanding pool environments.

Key Features

• 332,000 BTU heating capacity for medium to large pools and spas
• #51 burner designed for higher elevation operation
• Natural gas fuel for consistent heating performance
• Copper fin tube heat exchanger for efficient heat transfer
• 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 atmospheric burner system
• Built for long-term residential use

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.