018033 | Raypak Avia 404A Low Nox Pool and Spa Heater
018033 | Raypak Avia 404A Low Nox Pool and Spa Heater
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The Raypak Avia 404A Low Nox Pool and Spa Heater (SKU 018033) provides powerful and eco-friendly performance, featuring a 399,000 BTU output for rapid and efficient water heating. Built with Low NOx emissions technology, it complies with strict air quality regulations, making it ideal for environmentally regulated areas. The integrated Wi-Fi-enabled Raymoteª system allows remote access and scheduling, ensuring convenient operation from anywhere. Its compact footprint supports flexible installation, and corrosion-resistant materials enhance durability in outdoor environments. Designed for use with natural gas, the Avia 404A delivers reliable, high-capacity heating for residential pools and spas.
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Raypak Avia 404A Low Nox Features
Industry-First Technology
Managing your pool heater has never been easier or smarter. AVIA is built with an innovative Wi-Fi enabled control system that allows you to manage your pool heater with one accessory through the Raymote app Ð so no need for a separate control panel to manage your pool heater.
THE POWER TO KNOW
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Integrated Wi-Fi
Provides a smart connection for real-time service alerts and control from anywhere.
THE POWER TO CONTROL
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Raymote Temperature and Heater Control
Raymote Mobile App allows you on-the-go control of your pool temperature and so much more.
THE POWER TO PROTECT
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ProTek Shieldª
Is a cutting-edge module that protects the heat exchanger from corrosion, prolonging the life of the AVIA pool heater.
Heat Smarter | Play Harder
Key Features
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Smart Automation
Smart pool control automation system built right into the heater. -
Smart Scheduling
AVIA heats and learns the size of your pool. -
Smart Ecosystem Manager
Manage your heater, pump or water feature. -
Integrated Wi-Fi
Smart connection for real-time service alerts. -
ProTek Shieldª
Protects the heat exchanger from corrosion.

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Raymoteª Temperature & Heater Control
On-the-go control of your pool temperature. -
Small & Easy to Install
AVIA weighs 135 pounds. -
Installation Versatility
Can be rotated on 3 sides with flexible connections. -
Serviceability
Most serviceable heat exchanger in the market. -
Efficiency
84% efficiency rating and is low NOx certified.
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Highlights
Managing your pool heater has never been easier or smarter. AVIA is built with an innovative Wi-Fi enabled control system that allows you to manage your pool heater with one accessory through the Raymote app Ð so no need for a separate control panel to manage your pool heater.
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Efficient Low NOx Heating: 399,000 BTU output meets air quality standards in Low NOx regions
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Smart Control System: Wi-Fi-enabled for remote operation and scheduling via Raymoteª app
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Compact Footprint: Space-saving design allows easy installation in tight equipment pads
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Corrosion-Resistant Build: Durable materials withstand harsh outdoor conditions
- Natural Gas Compatible: Designed for dependable performance using natural gas fuel
OEM Raypak Avia 404A Low Nox Pool and Spa Heater | 018033
The Raypak Avia 404A Low Nox Pool and Spa Heater delivers high-capacity heating and smart automation in a compact, eco-conscious package. With 399,000 BTUs of natural gas power, itÕs ideal for larger residential or commercial pools and spas. Built-in Wi-Fi and Raymoteª app integration allow users to monitor, schedule, and control heat settings remotely. The AVIA 404AÕs durable, corrosion-resistant design ensures long-term reliability even in tough outdoor environments, while its compact footprint and versatile installation options make it a fit for nearly any equipment pad.
Power, Performance, and Precision Control
399K BTU Output for Large Pools
Delivers rapid, consistent heating for large pools and spas, ensuring optimal temperatures in less time.
Eco-Friendly Low NOx Design
Meets strict emissions regulationsÑperfect for states with low NOx requirements while reducing your environmental impact.
Raymoteª Wi-Fi Enabled Control
Manage your heater remotely with the Raymoteª mobile appÑadjust temperatures, set schedules, and receive real-time alerts from anywhere.
ProTek Shieldª Corrosion Protection
Exclusive to Raypak, ProTek Shieldª extends the life of the heat exchanger by protecting it from corrosion due to harsh water conditions.
Built for Versatility and Durability
Compact, Flexible Design
Installs easily in tight spacesÑfits a 2Õ x 2Õ pad and can be rotated on three sides with configurable gas and water connections.
Smart Scheduling
AVIA learns how long your pool takes to heat and notifies you when it's readyÑefficient and automated.
Integrated Automation System
No need for external automationÑcontrol heater, pump, and water features from one smart device.
Raypak AVIA 404A Highlights
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BTU Output: 399,000
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Fuel Type: Natural Gas
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Efficiency Rating: 84%
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Emission Compliance: Low NOx Certified
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Wi-Fi Control: Yes, via Raymoteª App
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Corrosion Protection: ProTek Shieldª
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Installation: 3-Side Rotational with Flexible Connections
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Weight: Under 140 lbs
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Placement: Standard 2Õ x 2Õ Equipment Pad
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Serviceability: Straight tube heat exchanger for easy maintenance
Key Features at a Glance
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High-output 399K BTU heating
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Integrated smart Wi-Fi and Raymoteª mobile app control
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Compact, easy-to-install design
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Built-in automation and scheduling
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Industry-first ProTek Shieldª for corrosion protection
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Meets Low NOx emissions standards
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Long-lasting, weather-resistant materials