Raypak AVIA 399K BTU Natural Gas Pool Heater - NiTek & Copper - P-R404A-EN-N | 018065

Raypak AVIA 399K BTU Natural Gas Pool Heater - NiTek & Copper - P-R404A-EN-N | 018065

Raypak
  • Wi-Fi Remote Controlled
  • Ni-Tekâ„¢ Heat Exchanger
  • Fully Serviceable
Price
Regular price $4,780.00
Regular price Sale price $4,780.00
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The AVIA 400 is a total reimagining of pool heating technology. Delivering a massive 399,000 BTU output, this unit provides lightning-fast heat-up times for the largest residential pools and luxury spa combinations. The P-R404A-EN-N model is a Low NOx unit, engineered to burn cleaner and more efficiently, meeting the strictest air quality regulations while providing maximum thermal power. 

The 018065 model features the revolutionary NiTek™ heat exchanger, offering 300% more corrosion resistance than standard copper. Combined with integrated Wi-Fi and the ability to control your entire equipment pad from a smartphone, the AVIA is the ultimate "set-it-and-forget-it" heating solution. 

Features

NiTekâ„¢ Shield Technology: The AVIA comes standard with a nickel-plated heat exchanger that is significantly more durable than traditional copper. It is specifically engineered to resist the corrosive effects of salt-chlorine generators and fluctuating water chemistry, extending the life of the heater.

Integrated Smart Automation: The AVIA features built-in Wi-Fi and the Raymoteâ„¢ 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 mini-automation hub for your backyard.

Unrivaled 399,000 BTU Power: This is the highest-capacity model in the AVIA series, designed for rapid temperature gains. It can heat a large spa in minutes and maintain a massive pool at a perfect temperature even in the dead of winter.

Low NOx Emissions: Engineered to meet the most stringent environmental regulations. The AVIA's combustion system burns cleaner, reducing nitrogen oxide emissions while maintaining a high 82% thermal efficiency.

Compact & 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 installation on tight equipment pads a breeze.

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

High-Resolution Touchscreen: Features a large, intuitive digital display that works even with wet fingers. The "swing-out" control box allows for easy service access to all internal components.

Specs
Heat Output 399,000 BTU
Fuel Type Natural Gas
Heat Exchanger Copper with NiTekâ„¢ Coating
Header Material Glass-Reinforced Polymer
Ignition Type Direct Spark Ignition
Emissions Low NOx Compliant
Elevation Rating 0 – 4,500 Feet
Model Number P-R404A-EN-N / 018065
Notes

Professional Setup Required: Due to its 399K BTU rating, this heater requires high-capacity gas line sizing and precise venting. To enable the smart automation features (controlling your pump/lights), additional sensors or wiring may be required during the initial professional installation.

What will it cost to heat your pool?

Fuel and electricity prices vary a lot by region, so put in your own rate from your last bill and get a number that's actually yours.

1 · Your pool
Water now 68°F
Temperature you want 84°F

You need to raise the water 16 degrees

2 · Your heater & rate
Set at the factory — you buy the version matching the fuel you have.
Figured at 82% efficiency, the rating on Raypak Digital heaters.
Use the all-in rate from your gas bill, including delivery charges.

And what about month to month?

Warming the pool up is a one-off. Most of what you'll actually spend is holding that temperature — replacing the heat your pool loses to the air, day and night.

Average outdoor temperature 65°F

Day and night averaged together, for the month you're picturing.

With a solar cover

Per month

$0.00

Per month — no cover

$0.00

Keeping a solar cover on saves roughly $0.00 a month here — most of a heated pool's heat leaves by evaporation off an open surface, so a cover is the cheapest thing you can do to bring this figure down.

Warm-up figures are the physics with no heat loss. Your pool loses heat to evaporation, wind and cool air the whole time the heater runs, so those numbers are a floor, not a forecast. The real-world line adds a typical 25–50%.

Monthly figures are an estimate, and a rough one. They assume you hold your target around the clock for 30 days. Real heat loss swings a long way with wind, humidity and how much sun your pool gets — an exposed, windy yard can run well above these numbers and a sheltered sunny one below. Treat them as a ballpark for comparing options, not a quote.

Warm-up uses gallons × 8.34 × degrees of rise. Monthly uses an estimated heat loss across your pool's surface area against the temperature difference with the air, at 82% thermal efficiency for gas. Pool presets assume 4 ft of water in a 52" wall and 3.5 ft in a 48" wall. Estimates only. Not sure of your pool volume or which heater fits? Get in touch.

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