Raypak 406A ASME Digital Natural Gas Pool & Spa Heater 399K BTU | 017374
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Raypak SKU 017374 corresponds to model B-R406A-EN-C #50, an ASME digital natural gas pool and spa heater with bronze headers and a 399,000 BTU input rating. This specific version is the 0–1,999 ft elevation model. Raypak positions the ASME Digital Gas Pool & Spa Heater line for commercial-grade and code-driven applications, with digital controls and indoor/outdoor installation capability when vented properly.
Q: Is 017374 a residential or commercial-style heater? A: It is an ASME model, which Raypak and distributors position for commercial or code-required installations rather than standard residential-only use
Q: What elevation is this specific heater built for? A: SKU 017374 is the #50 version, rated for 0–1,999 feet elevation.
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Description
Description
Raypak 406A ASME Digital Natural Gas Pool & Spa Heater 399K BTU | 017374
Raypak ASME digital natural gas heater with 399K BTU input, bronze headers, and commercial-grade construction for pools and spas. SKU 017374.
Features
- 399,000 BTU natural gas input for fast pool and spa heat recovery.
- ASME-certified design for commercial and code-required installations.
- Bronze headers help improve long-term corrosion resistance.
- Digital controls support simple temperature adjustment and diagnostics.
- 120/240VAC single-phase operation with indoor or outdoor installation capability when vented correctly.
Description
The Raypak 017374 is the 406A ASME digital natural gas heater built for high-demand pool and spa applications. This model uses bronze headers, digital ignition, and a commercial-grade ASME pressure vessel for installs where durability and code compliance matter. Its strong heat output makes it a solid choice for larger bodies of water or projects that need faster recovery without stepping into oversized equipment. For commercial pads, shared amenity pools, and demanding residential builds, this heater is built around performance first.
Pro Tip
Before ordering, confirm altitude, venting method, gas supply capacity, and electrical requirements. Use the proper Raypak union kit at install, and consider adding the ProTek Shield kit for added internal corrosion protection on compatible digital heater setups.
Related Parts
Installation Tips
Install on a stable equipment pad with clear service access. Verify gas sizing, water flow, venting, and local code requirements before startup. This ASME unit should be installed and commissioned by a qualified pool or mechanical professional.
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