Raypak Avia P-R404A-EN-C 399k BTU Natural Gas Copper Pool Heater

Raypak P-R404A-EN-C 399,000 BTU Natural Gas Copper Heater

The Raypak P-R404A-EN-C is a 399,000 BTU natural gas pool and spa heater designed for high-performance heating in larger residential pools and spas. Built with a copper fin tube heat exchanger, this model delivers rapid heat-up times and maintains consistent water temperatures even under heavy demand.

Part of Raypak’s Digital Gas Heater lineup, this unit features a rugged cabinet and compact footprint for reliable outdoor installation. It is an excellent solution for homeowners looking for powerful, efficient heating to extend pool use throughout the season.

High Output Pool Heating with Consistent Temperature Control

The digital control system allows for precise temperature adjustment and easy operation, helping maintain ideal swimming conditions. The electronic ignition system ensures dependable startup without a standing pilot, improving overall efficiency.

The copper heat exchanger provides strong thermal performance, making this heater ideal for well-balanced pool systems that require fast, consistent heating.

Key Features

• 399,000 BTU heating capacity for large residential pools and spas
• Natural gas powered heater for high-output performance
• Copper fin tube heat exchanger for efficient heating
• Digital control panel with precise temperature adjustment
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Compact and durable cabinet design
• Reliable outdoor installation performance
• Fast heat-up and consistent temperature control
• Ideal for large pool systems

About the Raypak AVIA Series

Raypak AVIA Series pool heaters are designed for modern pool systems, combining compact design, advanced digital controls, and efficient heating performance in a sleek, space-saving footprint. Built for residential and light commercial applications, AVIA heaters feature built-in connectivity for simplified setup, monitoring, and integration with pool automation systems. Available with both copper and NiTek heat exchangers, the AVIA Series provides flexibility for a wide range of pool environments, with NiTek offering enhanced resistance to corrosion for saltwater and chemically aggressive conditions. With fast heat-up times, quiet operation, and flexible installation options, AVIA heaters deliver reliable natural gas heating while maximizing efficiency and ease of use.