Raypak 018051 Model R404A Avia® Pool & Spa Heater Propane Gas 399 MBTUH 120/240V

With the Raypak AVIA 018051 pool and spa heater, managing your water temperature is simple thanks to built-in Wi-Fi control via the Raymote™ app—no extra control panel required.

This high-efficiency unit delivers 399,000 BTUs of propane-powered heat, making it an ideal solution for both residential and commercial applications.

Built with Raypak’s proprietary NiTek heat exchanger, it’s 300% more resistant to erosion than copper and 200% more than cupronickel, ensuring long-lasting durability.

Its compact cabinet and lightweight design make installation easier, while the smart tech enables seamless remote operation and diagnostics.

The unit supports a wide flow rate range of 40–100 GPM, accommodating a variety of pool system configurations with optimal efficiency.