Raypak
Raypak Professional Digital Natural Gas Pool Heater, 399,000 BTU, Cupro-Nickel | 013731
Raypak Professional Digital Natural Gas Pool Heater, 399,000 BTU, Cupro-Nickel | 013731
Raypak Professional Series Digital B-R408-EN-X #50 — 399,000 BTU Natural Gas Cupronickel Heater
The B-R408-EN-X is Raypak's top-tier Professional Series heater — bronze headers, cupro-nickel heat exchanger, natural gas, maximum 399,000 BTU output, rated for 0–2,000 ft elevation. Built for commercial-duty demand: heaviest use, harshest water chemistry, fastest recovery.
Quick Stats
- 399,000 BTU input — the highest output in this lineup
- Natural gas
- Cupro-nickel heat exchanger — better corrosion resistance than copper
- Bronze headers — Professional Series construction
- Rated for 0–2,000 ft elevation — confirm your installation elevation before ordering
- Digital electronic ignition with on-board diagnostics
How to Read a Raypak Digital Model Number
[Header]-R[BTU]A-[Ignition][Fuel]-[Material] #[Elevation] — B = Bronze headers (Professional Series, this model) vs. P (Polymer, standard Digital line). E/M = ignition, N/P = fuel, C/X = tube material. #50/#51/#52 (natural gas) = elevation: 0–2,000 ft / 2,000–6,000 ft / 6,000–9,000 ft.
Raypak Digital Heater Line Comparison (0–2,000 ft models shown)
| Model | BTU | Fuel | Material | Series | Price |
|---|---|---|---|---|---|
| P-R206A-EN-C #50 | 199,000 | Natural Gas | Copper | Digital | $2,838 |
| P-R266A-EN-C #50 | 266,000 | Natural Gas | Copper | Digital | $3,179 |
| P-R336A-EN-C #50 | 332,000 | Natural Gas | Copper | Digital | $3,632 |
| P-R406A-EN-C #50 | 399,000 | Natural Gas | Copper | Digital | $4,200 |
| P-R206A-EP-C #57 | 199,000 | Propane | Copper | Digital | $2,838 |
| P-R266A-EP-C #57 | 266,000 | Propane | Copper | Digital | $3,179 |
| B-R268-EN-X #50 | 266,000 | Natural Gas | Cupro-Nickel | Professional | $6,089 |
| B-R408-EN-X #50 (this model) | 399,000 | Natural Gas | Cupro-Nickel | Professional | $7,130 |
Is the Professional Series Worth the Premium?
Nearly 70% more than the equivalent standard Digital model (P-R406A-EN-C at $4,200) for the same 399,000 BTU output. This is the top of Raypak's residential/light-commercial lineup — bronze headers and cupro-nickel construction built for the heaviest duty cycles. Makes sense for commercial pools, high-use facilities, or harsh water chemistry environments. For a typical residential pool, even a large one, the standard copper Digital line at 399,000 BTU usually delivers the same practical performance for meaningfully less money.
Install Note
Gas heater installation involves gas line sizing, venting, and electrical work — use a licensed professional per local code. Confirm elevation, gas type, and BTU needs with your installer before ordering.
