Raypak AVIA Propane Gas Pool & Spa Heater, 400,000 BTU, NiTek Heat Exchanger | 018051

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 400,000 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 400K 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 400,000 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. 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. Specifications Specification Details Brand Raypak Product Line AVIA SKU / Part Number 018051 Manufacturer Model P-R404A-EP-N UPC / Barcode 084089109924 Product Type Gas pool and spa heater Fuel Type Liquid Propane BTU Rating 399,000 / 400,000 BTU class Heat Exchanger NiTek Ignition Type Electronic / direct spark ignition Controls Digital touchscreen interface Smart Connectivity Built-in Wi-Fi / compatible app control Application Pool and spa heating Installation Outdoor pool equipment pad installation Professional Installation Required 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 084089109924. 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 400,000 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.