Raypak 018045 Model R404A Avia® Pool & Spa Heater Natural Gas 399 MBTUH 120/240V

Managing your pool or spa has never been more convenient with the Raypak AVIA 018045, which features built-in Wi-Fi and app-based control via the Raymote™ system for seamless remote operation.

Designed for superior performance and durability, this natural gas heater delivers 399,000 BTUs of reliable heat with compatibility for both residential and commercial applications.

Its advanced NiTek heat exchanger offers unmatched corrosion resistance—300% more than copper and 200% more than cupronickel—making it ideal for harsh water conditions.

A compact cabinet size and lightweight build make installation flexible, while the smart control system eliminates the need for a separate pool automation panel.

Built for efficiency and reliability, this model supports wide flow rates between 40 and 100 GPM, helping optimize water circulation in a range of systems.