Raypak Avia Pool and Spa Heater | 404A Natural Gas Low NOx w/ NiTek Heat Exchanger
Raypak Avia Pool and Spa Heater | 404A Natural Gas Low NOx w/ NiTek Heat Exchanger is backordered and will ship as soon as it is back in stock.
Raypak AVIA 404A Pool Heater – 399,000 BTU Natural Gas
Upgrade your pool heating with the Raypak AVIA 404A Pool Heater, designed for reliable performance, flexible installation, and convenient control. With built-in Wi-Fi capability, you can manage your heater directly through the Raymote app—no need for additional external control systems.
The AVIA series is built for durability and long-term performance, featuring Raypak’s advanced NiTek heat exchanger technology, offering significantly greater resistance to erosion compared to traditional materials. Whether you're replacing an existing heater or installing new equipment, AVIA delivers efficient heating in a compact, easy-to-install design.
Key Features
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Built-In Wi-Fi Control
Control your pool heater directly from your smartphone using the Raymote app—no extra control panel required. -
NiTek Heat Exchanger
Up to 300% more erosion resistant than copper and 200% more than cupronickel for longer life and durability. -
ProTek Shield™ Protection
Helps prevent corrosion and extends the life of the heat exchanger. -
Flexible Installation Options
Rotatable design with left or right water and gas connections for easier setup. -
Compact & Lightweight Design
Weighs under 140 lbs and fits on a standard 2' x 2' pad—ideal for new installs or replacements. -
Integrated Control System
Built-in controls eliminate the need for costly external automation systems. -
System Compatibility
Can work alongside pumps, lights, and water features for a more streamlined pool setup.
Why Choose the Raypak AVIA 404A
The AVIA 404A stands out for its combination of durability, simplicity, and modern convenience. With built-in controls and strong heating performance, it offers a straightforward solution for pool owners who want reliable results without complicated add-ons.
Its compact size and flexible configuration also make installation easier compared to many traditional heaters.
Specifications
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Model: AVIA 404A
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Input Rate: 399,000 BTU
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Thermal Efficiency: 84%
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Fuel Type: Natural Gas
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Usage: Indoor & Outdoor
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Venting: Category I & III
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Voltage: 120/240 VAC, 1-Phase
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Max Water Flow: 100 GPM
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Weight: Under 140 lbs
- 3 Year Warranty
At K&J Leisure, we pride ourselves on being the best in the pool industry, not just because of our top-quality products but because of our unwavering commitment to customer satisfaction. We want you to love every purchase, but if something isn’t quite right, don’t worry—we’ve got your back!
Our Friendly Return Policy
Here’s how we make returns as refreshing as a dip in the pool:
- Hassle-Free Returns: You have a full 30 days to decide if your purchase is a perfect fit. If it’s not, simply return it—no questions asked! For purchases made in the off-season in cold weather climates, our Return window is open until June 15th! No need to wait to place an order.*
- No Restocking Fees: Unlike others, we believe in fair treatment for our customers and avoid restocking fees on the vast majority of returns. We waive restocking fees if your are not satisfied, if your problem was not resolved or if you simply change your mind!
- Wide Acceptance of Returns: Whether it’s a filter, pool cover, or accessory, we accept most items for return.
Exclusions:
- Custom orders such as Liners, Safety Covers, and Pool Kits cannot be returned, we will work with you to ensure your order is placed correctly on these non-returnable orders.
- Freight shipment orders, including heaters and larger pool filters not shipped via courier - These items may still be returned but we must recoup the original shipping cost that we have paid.
- Customer damaged - We totally understand that by the pool, exposure to chemicals, the elements and just having fun will cause some items to wear. However, we cannot accept returns if an item is damaged beyond use or in extremely poor condition.
How to make a return
Simply reach out to our friendly customer service team, and we’ll guide you through the quick and easy process. info@kjleisure.com or Toll-Free: (866)-509-8728
We can even help with return shipping options if needed!



