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  • Front view of the Ruud P-D336A 332.5K BTU pool and spa heater
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Ruud P-D336A Digital Polymer Pool/Spa Heater; 300K BTU, Natural Gas, #51 Burner, Cupro-Nickel Tubing 14996

Ruud P-D336A Digital Polymer Pool/Spa Heater; 300K BTU, Natural Gas, #51 Burner, Cupro-Nickel Tubing 14996

$3,894.99
$4,675.99 $3,894.99
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Pool Heaters & Chillers

332.5K BTU digital gas pool heater with cupro-nickel tubing and weather-resistant construction for high-efficiency heating in any climate.

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Product Details

The Ruud P-D336A Natural Gas Pool and Spa Heater delivers powerful 332,500 BTU heating with digital precision for year-round pool and spa comfort.
Its premium cupro-nickel tubing and polymer headers offer high resistance to corrosion and aggressive water chemistry, making it ideal for salt and chemical-heavy pools.
The stainless steel and aluminum cabinet components are built to protect sensitive areas from extreme weather and temperature conditions.
Digital electronic controls provide easy, accurate temperature management, supporting consistent heat delivery in both residential and commercial settings.
Rated for high-altitude operation up to 6,000 feet, this model maintains reliable performance even in mountain or colder environments.
Compact yet rugged, the P-D336A is ASME certified and designed for long-lasting use across a wide range of installations.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Buyers consistently mention how fast the P-D336A heats up large pools and spas, even in colder temperatures.

The cupro-nickel tubing earns high marks from users who deal with salt systems or chemically balanced water.

Reviewers enjoy the intuitive digital controls that make monitoring and setting temperatures simple.

Its rugged design and resistance to outdoor elements have made it a favorite for year-round use.

Most customers agree that the build quality and performance justify the investment over time.
Features
  • BTU Input: 332,500
  • Fuel Type: Natural Gas
  • Control Type: Digital Electronic
  • Tubing Material: Cupro-nickel for corrosion protection
  • Construction: Stainless steel and aluminum protect key components
  • Header Material: Polymer
  • Performance: Maintains operation in tough weather and high-altitude locations
  • Application: Residential and commercial pools or spas
  • Altitude Rating: Up to 6,000 ft
  • Certification: ASME certified for safety and quality assurance
Specifications
  • Brand: RUUD
  • Application: Pool, Spa
  • Shipping Dimensions: 44 x 31 x 30 inch
  • BTU Input: 332,500 British thermal unit
  • Burner Orifice Size: #51
  • Cabinet Depth: 28 inch
  • Cabinet Height: 38 inch
  • Cabinet Width: 26 inch
  • Channel: Pool Equipment
  • Commercial, Residential, or Professional: Commercial, Residential
  • Control Type: Digital Electronic
  • Each Product Weight: 227 pound
  • Elevation Max: 6000 foot
  • Elevation Min: 2000 foot
  • Flow Rate Max: 125 gal/min
  • Flow Rate Min: 125 gal/min
  • Flue Diameter: 8 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: 63 inch
  • Master Carton Quantity: 1
  • Minimum J: 10.625 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: 840891032953
User Guides
Frequently Asked Questions

Q: What makes cupro-nickel tubing a better choice for this heater?
Cupro-nickel resists corrosion and scale buildup, making it ideal for saltwater pools and chemically treated systems.

Q: Can the Ruud P-D336A operate at high elevations?
Yes, it is specifically designed to function efficiently at elevations up to 6,000 feet.

Q: Is this heater suitable for commercial pool use?
Absolutely, it’s built for both residential and commercial applications and carries ASME certification.
Warranty
Warranty URL: https://www.ruud.com/warranty/
View full details
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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