Authorized Raypak Distributor

When you purchase from AquaDoc, you're guaranteed to receive an authentic Raypak device. Order with confidence, knowing you'll receive top quality pool equipment.

  • Front view of Raypak AVIA propane pool and spa heater
1 1

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

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

$4,499.99
$5,401.99 $4,499.99
Sale Sold out
Shipping calculated at checkout.
Raypak Pool Equipment

Powerful, smart, and built to last, the Raypak AVIA 399K BTU propane pool heater offers app-based control and superior corrosion resistance for reliable comfort.
Product Details

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.

AI Review Summary ✨

⭐⭐⭐⭐⭐
Users praise the AVIA propane heater for its rapid and consistent heat delivery in both home and commercial settings.

Customers enjoy the Wi-Fi integration, which allows seamless control and real-time updates from their phone.

Installation is often mentioned as quick and hassle-free due to the compact size and smart design.

The NiTek heat exchanger earns high marks for holding up well in chemically treated or hard water.

Reviewers also note that it's a great investment for its advanced tech and reliable propane performance.
Features
  • Wi-Fi Control System: Manage remotely with Raymote™ app—no external panel needed
  • NiTek Heat Exchanger: 300% more erosion-resistant than copper, 200% more than cupronickel
  • High Heating Output: 399,000 BTU for fast and consistent heating
  • Propane Fuel System: Clean and efficient heating alternative
  • Flexible Voltage: Operates on 120V or 240V electrical input
  • Compact Size: Easy to install in tight pool equipment spaces
  • Wide Flow Compatibility: Operates between 40–100 GPM
  • Dual Application: Perfect for both residential and commercial pools and spas
  • Rugged Cabinet Design: Weather-resistant red and gray casing
  • No External Controls Needed: Fully integrated smart system for convenience
Specifications
  • Brand: Raypak
  • Model: AVIA® 018051 P-R404A-EP-N
  • BTU Input: 399,000 BTU
  • Amperage: 1.6 A
  • Voltage: 120V / 240V
  • Fuel Type: Propane
  • Flow Rate: 40–100 gal/min
  • Cabinet Dimensions: 29" D x 30.38" H x 16.92" W
  • Weight: 135 lbs
  • Application: Pool, Spa
  • Use Case: Commercial, Residential
  • Water Connection: 1.5 inch
  • Shipping Dimensions: 38" x 26" x 34"
  • Phase: Single
  • Electrical Input: 120V
  • UPC: 840891099246
User Guides
Frequently Asked Questions

Q: Does this propane heater support app-based control?
Yes, it features built-in Wi-Fi and works with the Raymote™ app for easy remote temperature and diagnostics management.

Q: Is the heater durable enough for aggressive water chemistry?
Definitely, the NiTek heat exchanger is specially designed to resist corrosion at levels far exceeding traditional copper or cupronickel.

Q: Can I install this in both home and commercial pool settings?
Yes, the AVIA 018051 is engineered for flexibility, making it suitable for both residential and commercial installations.
Warranty
Warranty URL: https://www.raypak.com/registration_warranty/
View full details
Disclaimer:
Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.

Why choose AquaDoc?

  1. 🌟 Top-notch products designed by leading pool & spa brands.
  2. 📦 Proudly ship locally from the USA, ensuring faster delivery.
  3. 👷‍♂️ Every purchase supports American income and jobs.

Order With Confidence

Satisfaction guaranteed! We're here to help with any pool or spa related issues. Contact us anytime for assistance.

Free shipping on all orders over $75!  

As seen on

1 5

Raypak is a trusted name in pool and spa heating, offering energy-efficient gas heaters and heat pumps built for long-lasting performance. Whether you're warming up your pool for year-round use or extending your swim season, Raypak delivers reliable temperature control. At AquaDoc, we offer a wide selection of Raypak pool heaters to help you enjoy comfortable water—whenever you want it.

You may also like