Raypak Avia 400K BTU Propane Pool Heater - NiTek Heat Exchanger - P-R404A-EP-N | 18039

The Raypak AVIA 400 is a complete reimagining of pool heating technology, designed to provide massive thermal power in a compact, tech-forward package. Delivering a 399,000 BTU output, this liquid propane unit is engineered for rapid heat-up times for the largest residential pools and oversized spa combinations in areas where natural gas is unavailable.

The 018039 model features a reliable standard copper heat exchanger, providing consistent, everyday performance. Combined with integrated Wi-Fi and the ability to control your entire equipment pad from a smartphone, the AVIA is the ultimate premium heating solution for rural estates and off-grid properties.

Features

Integrated Smart Automation: The AVIA features built-in Wi-Fi and the Raymote Mobile App. Not only can you control your pool temperature from anywhere in the world, but the AVIA can also manage your pool pump and lights, acting as a sophisticated automation hub for your backyard.

Maximum Propane Heating Power: With a 399,000 BTU rating, this is the highest-capacity model in the AVIA series. It is designed for near-instant heat on demand, making it the perfect choice for heating large attached spas in minutes, even in cold climates.

Standard Copper Heat Exchanger: Built with high-quality integral copper fin tubes, this heat exchanger provides maximum heat transfer and 84% thermal efficiency, ensuring lower operating costs over the lifespan of the heater.

ProTek Shield Module: Features a specialized, replaceable module that protects the heat exchanger from the damaging effects of galvanic corrosion (electrolysis), providing an essential layer of defense for your equipment.

Compact and Lightweight Design: Despite its massive power, the AVIA weighs under 140 lbs and features a small, square footprint. It is roughly half the weight of traditional 400K BTU heaters, making it easy to install on tight equipment pads.

Intelligent Flow Monitoring: The AVIA is the only heater in its class with a built-in Protection Mode that monitors water flow. If it detects a flow issue that could lead to overheating, it will alert you via the app to prevent damage before it occurs.

High-Resolution Touchscreen: Features a large, intuitive digital interface that is easy to use even with wet fingers. The swing-out control box provides simple service access to all internal components, reducing maintenance time.

Specs

Notes

Professional Setup Required: Due to its high BTU rating, this propane heater requires specific gas line sizing and a high-capacity propane tank with the correct regulator configuration. It must be installed by a licensed HVAC or pool professional to ensure safety, proper operation, and to validate the manufacturer's warranty.