Raypak Avia P-R404A-EN-N 399k BTU Natural Gas NiTek Pool Heater

Raypak P-R404A-EN-N 399,000 BTU Natural Gas NiTek Heater

The Raypak P-R404A-EN-N is a 399,000 BTU natural gas pool and spa heater designed for high-performance heating with enhanced durability in demanding pool environments. Featuring a NiTek heat exchanger, this model offers superior resistance to corrosion and chemical wear, making it ideal for saltwater pools and aggressive water conditions.

As part of Raypak’s Digital Gas Heater series, this heater provides reliable heating performance with a durable cabinet built for long-term outdoor installation. It is an excellent choice for large residential pools requiring fast heat-up and consistent temperature control.

High Output Heating with Advanced NiTek Corrosion Protection

The NiTek heat exchanger is engineered to resist corrosion and erosion more effectively than standard copper, helping extend the lifespan of the heater. The digital control system allows for precise temperature adjustments, while the electronic ignition system ensures dependable startup without a standing pilot.

This combination of durability and performance makes the unit ideal for high-demand applications and saltwater pool systems.

Key Features

• 399,000 BTU heating capacity for large pools and spas
• Natural gas powered heater
• NiTek heat exchanger for superior corrosion resistance
• Digital control panel with microprocessor thermostat
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Durable cabinet for outdoor environments
• Enhanced lifespan in aggressive water conditions
• Fast heat-up and consistent temperature control
• Ideal for saltwater and high-demand 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.