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The Secret Of Raypak Avia Hd 399k Btu Natural Gas Heater – Nitek, Low Nox, Wi-fi Enabled (p-r404a-en-n, 018045) Best Choice [DAOpU1xM]

$179.99 $575.99 -69%

Smarter, Easier Pool HeatingThe AVIA HD pool heater features built-in Wi-Fi and the Raymote app for seamless control—no extra panels needed.Unmatched Durability & Performance with NiTekLonger Lifespan – Reduces scale buildup by over 50% and conta

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The Secret Of Raypak Avia Hd 399k Btu Natural Gas Heater – Nitek, Low Nox, Wi-fi Enabled (p-r404a-en-n, 018045) Best Choice [DAOpU1xM]

Smarter, Easier Pool Heating

The AVIA HD pool heater features built-in Wi-Fi and the Raymote app for seamless control—no extra panels needed.

Unmatched Durability & Performance with NiTek

  • Longer Lifespan – Reduces scale buildup by over 50% and contains 900% more nickel than cupronickel in critical areas.
  • Higher Efficiency – Delivers up to 2% more thermal efficiency than cupronickel, matching copper’s performance.
  • Superior Strength – 300% more erosion resistant than copper and 200% more than cupronickel.

Upgrade to AVIA HD for a smarter, longer-lasting, and more efficient pool heating solution.

  • 3-Year parts and labor warranty coverage

Specifications:

  • Application: Residential, Pool, Spa
  • Product Type: Pool Heater
  • Fuel Type: Natural Gas
  • Heat Exchanger: NiTek
  • Heat Output: 399,000 BTU
  • Controls: Digital
  • Manufacturer: Raypak
  • Wi-Fi Enabled: Yes
  • Weight: 135 lbs
  • Shipping Weight: 155 lbs
  • Model Numbers:  P-R404A-EN-N, PR404AENN
  • Part Number: 018045
  • Pool Type: In Ground
  • Warranty: 2-Year Limited
  • Elevation:  0-10,000

Alternative Part Numbers:

  • Raypak: 018045 P-R404A-EN-N, PR404AENN
  • Rheem: P-M404A-EN-N, PM404AENN
  • Ruud: P-D404A-EN-N, PD404AENN

What Our Customers Say

January 26, 2026

Absolutely no complaints!

Excellent build quality for this very low price.

- Russell J..

January 26, 2026

Absolutely no complaints!

I'm very happy with this very useful tool.

- Pamela F..

January 26, 2026

Absolutely no complaints!

A great item. And very good quality.

- Sonya B..

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