
Raypak Heater 399K BTU, Low NOx Natural Gas, ASME, Digital IID, Bronze Header, Cupro-Nickel Heat Exchanger B-R407A-EN-X, 017712
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Quick overview
- 399K BTU input sized for commercial pools and large residential bodies of water.
- Low NOx natural gas burns natural gas and meets low NOx emission requirements.
- ASME rated built and certified for commercial installations that require an ASME stamp.
- Cupro-nickel heat exchanger more tolerant of chemistry swings and heavy use than a plain copper exchanger.
- Bronze header a corrosion resistant header casting on the water side.
- Digital IID ignition intermittent ignition device with digital controls, no standing pilot.
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Frequently bought together

Heater 399K BTU, Low NOx Natural Gas, ASME, Digital IID, Bronze Header, Cupro-Nickel Heat Exchanger B-R407A-EN-X, 017712
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From Raypak
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Genuine Raypak parts
Raypak Genuine OEM Protek Shield Module Assembly, 017960F
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Raypak Genuine OEM Propane and Natural Gas Pilot, 002003F
Raypak Genuine OEM 3/4" IID Pool Heater Natural Gas Electronic Valve, 003900F



Product details
The Raypak B-R407A-EN-X, part number 017712, is a 399K BTU natural gas pool heater built for commercial duty. It carries the ASME stamp, burns natural gas at low NOx emission levels and is rated for installation from sea level to 5000 ft.
Heat exchanger and header
The heat exchanger is cupro-nickel rather than copper, and the header is bronze. That combination is the usual choice for public pools, spas and any installation where water chemistry is not perfectly controlled or the heater runs most of the day.
Controls
Ignition is a digital intermittent ignition device. There is no standing pilot, and the digital control handles start up and monitoring.
Before you order
Confirm you need the natural gas, low NOx, ASME version and that your site is at or below 5000 ft. This heater ships by freight, so plan for curbside delivery and a way to move it to the equipment pad.
| Brand | Raypak |
|---|---|
| Manufacturer part number | 017712 |
| Model | B-R407A-EN-X |
| UPC | 840891042327 |
| Input | 399K BTU |
| Fuel | Natural gas |
| Emissions | Low NOx |
| Certification | ASME |
| Ignition | Digital IID |
| Header | Bronze |
| Heat exchanger | Cupro-nickel |
| Altitude rating | 0 to 5000 ft |
| Application | Commercial swimming pool |
| Ships | Freight |
Request a quote
Need a volume price, a freight quote, or pricing in writing before you order? We reply the same business day.
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Questions and answers
What people ask about this product, answered by our pool techs.
Is this a natural gas or propane heater?
What altitude is it rated for?
What is the heat exchanger made of?
Is it ASME certified?
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