<p><strong>Raypak 399K BTU Propane Heater 406A with Cupro-Nickel Heat Exchanger | Model B-R406AEPX 017414</strong></p> <p>The Raypak B-R406A Digital Pool and Spa Heater delivers 399,000 BTUs of powerful heating, fueled by propane gas. Designed for commercial installations up to 2,000 feet, this ASME-certified heater features durable bronze headers and a Cupro-nickel heat exchanger, making it ideal for saltwater pools and demanding environments.</p> <p><strong>Key Features:</strong></p> <ul> <li> <strong>ASME Certification:</strong> Meets rigorous ASME pressure vessel requirements for commercial heaters over 200,000 BTUH, ensuring reliability and durability.</li> <li> <strong>Cupro-Nickel Heat Exchanger:</strong> Highly resistant to saltwater corrosion, perfect for coastal and saltwater pool applications.</li> <li> <strong>Digital Electronic Controls:</strong> External power operation (120V or 240V) enables simple setup, easy programming, and integration with existing remote systems.</li> <li> <strong>Unitherm Governor Technology:</strong> Maintains water temperature in the heat exchanger above 105°F to prevent condensation, sooting, and scale build-up, extending the heater’s lifespan.</li> <li> <strong>Efficient Installation:</strong> Includes CPVC 2-inch slip-fit water connections for secure, hassle-free setup.</li> </ul> <p><strong>Durable Design for All Weather Conditions:</strong><br>The heater’s galvanized steel cabinet, finished with PolyTuf Textured Powder Coating, ensures excellent resistance to harsh weather and corrosion. Built to handle high flow rates up to 125 GPM, this unit is an energy-smart solution that exceeds all federal and state efficiency standards.</p> <p><strong>Why Choose the Raypak 406A Heater?</strong></p> <ul> <li>Saltwater-friendly for long-lasting performance.</li> <li>Certified to ANSI Z21.56 pool heater standards.</li> <li>Plumbed and test-fired before packaging to ensure reliable operation out of the box.</li> </ul> <p>For installations at higher elevations, contact us for specialized models. Elevate your pool heating experience with Raypak's unmatched efficiency, convenience, and durability.</p> <p><strong>Specifications:</strong></p> <ul> <li>Brand: Raypak</li> <li>Application: Pool, Spa</li> <li>Shipping Dimensions: 44.5 x 34 x 31 inch</li> <li>Commercial, Residential, or Professional: Commercial</li> <li>Weight: 271 pounds</li> <li>Fuel Type: Propane</li> <li>BTU Input: 399 British thermal unit</li> <li>Control Type: Digital</li> <li>Flow Rate Max: 100 gal/min</li> <li>Flow Rate Min: 40 gal/min</li> <li>Header Material: Bronze</li> <li>Heat Exchanger Material: Cupro Nickel</li> <li>Ignition Type: Electronic</li> <li>UPC Code: 840891042044</li> <li>Part Numbers: B-R406AEPX, BR406AEPX, 017414</li> <li style="font-weight: bold;"><strong>2-Year Parts &amp; Labor Warranty</strong></li> </ul> <p><strong>Support Documents:</strong></p> <div class="sc-bczRLJ kEeNDb"> <ul class="TypographyStyle--11lquxl ghReyy"> <li class="TypographyStyle--11lquxl gtqutn"><a data-test-selector="productDetails_b725c20f-1b9e-ed11-994a-0022482ad9ec" href="https://poolimages.azureedge.net/insite/Product/Documents/RA/Y-/15/RAY-15-0306-ops.pdf" class="StyledButton--1ocxc7t bmzopC StyledClickable--49spz0 kZuvCC" tabindex="0" target="_blank"><span class="TypographyStyle--11lquxl jJOnEq StyledTypography--14dgqsg kYJRjU"><span class="TypographyStyle--11lquxl dVwepL"><span class="TypographyStyle--11lquxl eoJorN">Ops Man</span></span></span></a></li> <li class="TypographyStyle--11lquxl gtqutn"><a data-test-selector="productDetails_b825c20f-1b9e-ed11-994a-0022482ad9ec" href="https://poolimages.azureedge.net/insite/Product/Documents/RA/Y-/15/RAY-15-0306-wty.pdf" class="StyledButton--1ocxc7t bmzopC StyledClickable--49spz0 kZuvCC" tabindex="0" target="_blank"><span class="TypographyStyle--11lquxl jJOnEq StyledTypography--14dgqsg kYJRjU"><span class="TypographyStyle--11lquxl dVwepL"><span class="TypographyStyle--11lquxl eoJorN">Warranty</span></span></span></a></li> </ul> </div>