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  • Ruud P - D406A Digital Polymer Pool/Spa Heater; 360K BTU, Natural Gas, 51 Burner, Cupro - Nickel Tubing 14997 - AquaDoc
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Ruud P-D406A Digital Polymer Pool/Spa Heater; 360K BTU, Natural Gas, #51 Burner, Cupro-Nickel Tubing 14997

Ruud P-D406A Digital Polymer Pool/Spa Heater; 360K BTU, Natural Gas, #51 Burner, Cupro-Nickel Tubing 14997

$4,494.99
$5,275.99 $4,494.99
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Ruud Pool Heaters

399K BTU natural gas pool heater with digital controls and cupro-nickel tubing for high-efficiency heating in tough conditions.
Product Details

The Ruud P-D406A Natural Gas Pool and Spa Heater delivers high-output 399,000 BTU heating capacity for dependable, all-season performance.
Designed with cupro-nickel tubing and polymer headers, this heater withstands corrosion, scale, and harsh water conditions in both residential and commercial pools.
Stainless steel and aluminum components shield heat-sensitive areas from outdoor elements and extreme temperatures.
The digital electronic control system enables precise and efficient temperature management with minimal effort.
Engineered for high-altitude operation up to 6,000 feet, the unit performs reliably across varied environments.
With ASME certification and rugged construction, the P-D406A combines durability, efficiency, and heating power in one compact design.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Users are impressed by the P-D406A’s fast heating ability, especially for larger pools and spas.
The heater’s weather-resistant construction and reliable cupro-nickel tubing receive consistent praise.
Customers love the easy-to-use digital controls and consistent performance even in varying climates.
Many note the quiet operation and compact design as major advantages for backyard installations.
Overall, it’s highly rated for long-term durability and dependable, high-output performance.
Features
  • BTU Input: 399,000
  • Fuel Type: Natural Gas
  • Control Type: Digital Electronic
  • Tubing Material: Cupro-nickel for chemical resistance and long life
  • Construction: Weather-protected with stainless steel and aluminum
  • Header Material: Polymer
  • High Altitude Compatible: Rated up to 6,000 feet
  • Application: For pool and spa, commercial and residential
  • Flow Capacity: Handles up to 125 GPM
  • Certification: ASME Certified
Specifications
  • Brand: RUUD
  • Application: Pool, Spa
  • Shipping Dimensions: 44 x 30 x 25 inch
  • BTU Input: 399,000 British thermal unit
  • Burner Orifice Size: #51
  • Cabinet Depth: 28 inch
  • Cabinet Height: 38 inch
  • Cabinet Width: 29 inch
  • Channel: Pool Equipment
  • Commercial, Residential, or Professional: Commercial, Residential
  • Control Type: Digital Electronic
  • Each Product Weight: 243 pound
  • Elevation Max: 6000 foot
  • Elevation Min: 2000 foot
  • Flow Rate Max: 125 gal/min
  • Flow Rate Min: 125 gal/min
  • Flue Diameter: 9 inch
  • Frequency Rating (Hz): 60
  • Fuel Type: Natural Gas
  • Gas Connection: 0.75 inch
  • Gas Connection FIT: NPT
  • Green or Energy Efficient Product: True
  • Header Material: Polymer
  • High Altitude Model: True
  • Indoor Drafthood: 64.5 inch
  • Master Carton Quantity: 1
  • Minimum J: 12.3125 inch
  • Minimum Sell Quantity: 1
  • Pallet Quantity: 1
  • Phase: Single
  • Stackless Outdoor Top: 40 inch
  • Standards Approvals: ASME Certified
  • Tubing Material: Cupro Nickel
  • Voltage: 115V, 230V
  • UPC Code: 840891032960
User Guides
Frequently Asked Questions

Q: Is the Ruud P-D406A suitable for large commercial pools?
Yes, with its 399K BTU output and ASME certification, it's built for both commercial and residential pools and spas.

Q: Can this heater be used in areas above sea level?
Absolutely, it's rated for high-altitude performance up to 6,000 feet.

Q: Does the unit offer protection against weather conditions?
Yes, the stainless steel and aluminum construction is designed to safeguard internal parts from outdoor exposure.
Warranty
Warranty URL: https://www.ruud.com/warranty/
View full details
Authorized Retailer US Shipping
Disclaimer:
Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

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Ruud offers high-performance pool and spa heaters engineered for efficiency, reliability, and long-term value. Whether you're heating a residential pool or a commercial spa, Ruud systems are built to deliver consistent temperature control with lower energy costs. At AquaDoc, we provide a variety of Ruud pool heaters to help you enjoy warm water and extend your swim season with confidence.

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