Raypak 406A Digital Natural Gas ASME Heater with Bronze Headers and Cupro-Nickel Heat Exchanger - 017402
The Raypak 406A Digital ASME Certified Natural Gas Pool Heater (Model 017402) delivers professional-grade heating with the durability required for commercial and high-demand residential pools. Featuring a robust cupro-nickel heat exchanger and bronze headers, it is built to handle tough water conditions and heavy use. The digital control center offers simple programming, real-time temperature display, and onboard diagnostics for easy troubleshooting.
Features
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399,000 BTU Output: Designed to efficiently heat large pools and spas with natural gas fuel.
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ASME Certified: Compliant with commercial safety codes for public and commercial pool applications.
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Cupro-Nickel Heat Exchanger: Corrosion-resistant tubing handles saltwater and harsh water chemistry.
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Bronze Headers: Rugged, long-lasting header design withstands high flow rates and pressure.
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Digital Control Interface: Built-in diagnostics and precise temperature control for optimal performance.
- Commercial pools and spas in hotels, schools, or public facilities
- Large residential pools requiring fast and reliable heating
- Saltwater systems and pools with aggressive water chemistry
Specifications
| Model Number |
017402 |
| Manufacturer / Series |
Raypak Digital ASME (399A Series) |
| BTU Output |
399,000 BTU |
| Fuel Type |
Natural Gas |
| ASME Certified |
Yes |
| Heat Exchanger |
Cupro-Nickel tubing (corrosion-resistant) |
| Header Material |
Bronze |
| Ignition System |
Electronic spark ignition |
| Control Type |
Digital interface with diagnostic feedback |
| Cabinet Material |
Galvanized steel, powder-coated finish |
| Water Connections |
2" NPT |
| Voltage |
120 / 240 V (field convertible) |
| Application |
Pools & Spas (Residential / Commercial) |
| Weight |
~350–360 lbs |
Included
- Raypak 406A ASME Pool Heater – Natural Gas
- Owner’s and installation manual
- Union and mounting hardware
What our Experts Think
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Powerful & Consistent: Delivers strong natural gas heating with dependable performance for larger pools.
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Premium Heat Exchanger: Cupro‑nickel design offers superior corrosion resistance and long‑term durability.
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Quality Build: Bronze headers enhance strength and reduce maintenance needs.
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Digital Control: Easy‑to‑use interface ensures precise temperature adjustments and clear diagnostics.
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Pro‑Recommended: Technicians favor this model for robust construction, reliable operation, and long service life.
Q&A
Q: What is the Raypak 017402?
A: A 406A digital natural gas pool heater featuring bronze headers and a Cupro-Nickel heat exchanger for durable, efficient heating.
Q: Which pools is it suitable for?
A: Ideal for large residential or commercial pools needing high-capacity, long-lasting natural gas heating.
Q: Why choose Cupro-Nickel heat exchangers?
A: Provides superior corrosion resistance, especially for salt or mineral-rich water, and extends heater lifespan.
Q: What are the benefits of digital controls?
A: Enables precise temperature management, easy operation, and consistent pool comfort.
Q: Is professional installation recommended?
A: Yes, to ensure safety, optimal performance, and compliance with ASME standards.
Maintenance Tips
- Flush the heater annually to remove scale and sediment buildup.
- Maintain balanced water chemistry to protect the cupro-nickel heat exchanger and bronze headers.
- Inspect and clean burners, ignition system, and heat exchanger regularly.
- Check gas connections and fittings for leaks and proper sealing.
- Keep the surrounding area clear of debris for optimal airflow.
- Schedule professional servicing each season for peak safety and efficiency.
Damage 
Loss 
Theft 
