Need help choosing this Raypak heater? Call 725-205-1783 or email sales@poolsupplydepot.net with your existing heater model, fuel type, installation ZIP code and equipment-pad photos. We can help confirm the replacement and shipping or freight options. Local pickup is available in Henderson, Nevada; confirm availability before visiting.

Product Overview

The Raypak AVIA 018051 Propane Gas Heater is a premium pool and spa heater designed for powerful heating performance, smart control, and long-lasting durability. With a 399,000 BTU class rating, this heater is built for larger pools, attached spas, and applications where fast heat-up times are needed.

This model features Raypak’s NiTek heat exchanger, which provides enhanced corrosion resistance compared to standard copper heat exchangers. The AVIA platform also includes built-in smart control features, allowing users to manage heating through an intuitive onboard interface and compatible mobile app connectivity.

Ideal For

Large residential pools and attached spas

Pool owners needing fast propane heating performance

Replacing compatible Raypak 399K BTU propane heaters

Properties using liquid propane instead of natural gas

Saltwater pools where added corrosion protection is preferred

Customers looking for a smart, app-capable pool heater

Professional pool equipment installations

Key Features

399,000 BTU Class Heating Power: Designed for fast pool and spa heat-up performance

Propane Gas Operation: Built for liquid propane fuel systems

NiTek Heat Exchanger: Enhanced corrosion-resistant heat exchanger for improved durability

Built-In Wi-Fi Control: Allows smart heater management through compatible Raypak/Raymote control features

Digital Touchscreen Interface: Easy-to-use onboard controls for temperature and heater settings

Smart Scheduling Capability: Helps manage pool heating schedules more efficiently

Automation-Friendly Design: AVIA platform can integrate with compatible pool equipment control setups

Low NOx Design: Engineered for cleaner gas heater operation in applicable regions

Professional-Grade Construction: Built for demanding pool and spa heating environments

Benefits

The Raypak AVIA 018051 gives pool owners powerful propane heating with the convenience of modern smart controls. Its high BTU output helps heat pools and spas quickly, making it especially useful for large pools, attached spas, or customers who want reliable heat on demand.

The NiTek heat exchanger adds an extra layer of protection against corrosion, making this model a strong choice for pools with challenging water conditions or saltwater systems. With smart connectivity and digital controls, users can manage temperature settings and schedules more conveniently than with traditional heater controls.

Specifications

Warranty & Compatibility

Important Compatibility Notes

This heater is designed for liquid propane gas applications. It is not a natural gas heater.

Proper gas line sizing, propane tank/regulator capacity, water flow, venting clearance, electrical connection, and local code compliance must be confirmed before installation. A licensed gas professional or qualified pool heater technician should install and verify the system.

Customer-Facing Q&A

Q: What is the SKU for this heater?
A: The SKU / part number is 018051.

Q: What is the UPC / barcode?
A: The UPC / barcode is 840891099246.

Q: What fuel type does this heater use?
A: This model is designed for liquid propane.

Q: Is this natural gas or propane?
A: This is a propane gas heater. It is not the natural gas version.

Q: What is the BTU rating?
A: This is a 399,000 BTU class heater, commonly listed as approximately 399,000 BTU.

Q: What type of heat exchanger does it have?
A: This model includes a NiTek heat exchanger for enhanced corrosion resistance.

Q: Does this heater have Wi-Fi?
A: Yes. The Raypak AVIA platform includes built-in smart control features with compatible app connectivity.

Q: Is this good for saltwater pools?
A: The NiTek heat exchanger provides improved corrosion resistance, making it a strong option for many saltwater pool applications. Proper water chemistry must still be maintained.

Q: Can this replace my existing Raypak heater?
A: It may replace compatible Raypak propane heaters, but gas type, BTU size, plumbing, electrical requirements, venting clearances, and installation codes must be confirmed before purchasing.

Q: Should this be professionally installed?
A: Yes. Gas pool heaters must be installed by a qualified pool heater technician, licensed gas professional, or licensed contractor.