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  • Ruud P-D406A Natural Gas Pool/Spa Heater Front View
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RUUD #50 Natural Gas Digital Polymer Heater 399K BTU

RUUD #50 Natural Gas Digital Polymer Heater 399K BTU

$4,019.99
$4,823.99 $4,019.99
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Ruud Pool Heaters


The Ruud P-D406A Natural Gas Digital Polymer Pool/Spa Heater offers powerful 399K BTU heating, advanced ProTek Shield technology, and superior efficiency for long-lasting performance.
Product Details

The Ruud P-D406A Natural Gas Digital Polymer Pool/Spa Heater delivers powerful 399,000 BTU heating, ensuring fast and consistent water temperatures for pools and spas of all sizes.

Designed with advanced ProTek Shield technology, this heater enhances heat exchanger protection, extending its lifespan while maintaining peak performance.

Engineered for efficiency, this model surpasses all federal and state energy standards, providing an eco-friendly heating solution without sacrificing power.

A user-friendly digital control panel allows for precise temperature adjustments and system diagnostics, giving owners full control over their pool or spa’s comfort.

Built with a durable, non-corrosive polymer header, the heater withstands exposure to harsh chemicals and environmental conditions, ensuring long-term reliability.

With a sleek, compact design, the Ruud Digital Polymer Pool/Spa Heater blends seamlessly into any outdoor setting while delivering year-round, dependable heating.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Customers praise the Ruud P-D406A for its rapid heating capability, keeping pools and spas at the perfect temperature with minimal waiting time.

Users appreciate the ProTek Shield technology, which helps extend the lifespan of the heater by protecting the heat exchanger from corrosion and wear.

The easy-to-use digital controls make adjusting temperatures effortless, allowing for precise heat management with just a few clicks.

Many reviewers highlight the heater’s reliability, delivering consistent performance even in cooler climates while maintaining excellent energy efficiency.

Buyers find this model to be a cost-effective investment, providing premium performance and durability at a competitive price.
Features
  • BTU Output: 399,000 BTUs for rapid heating
  • ProTek Shield Technology: Protects the heat exchanger for extended durability
  • Energy Efficiency: Exceeds all federal and state energy standards
  • Digital Controls: User-friendly interface for easy adjustments and diagnostics
  • Polymer Header: Corrosion-resistant construction for long-lasting performance
  • Compact Design: Low-profile, sleek appearance for seamless integration
  • Reliable Performance: Consistent and powerful heating for pools and spas
  • Natural Gas Powered: Efficient, cost-effective operation
  • Versatile Application: Ideal for residential and commercial pools/spas
  • Weather-Resistant Housing: Durable build for outdoor use
Specifications
  • BTU Rating: 399,000 BTUs
  • Fuel Type: Natural Gas
  • Control System: Digital Interface
  • Heat Exchanger Protection: ProTek Shield Technology
  • Header Material: Polymer, corrosion-resistant
  • Application: Pool and Spa
  • Installation Type: Outdoor
  • Efficiency Compliance: Meets/exceeds all federal and state standards
  • Weight: Approx. 200 lbs
  • Dimensions: Varies by installation setup
Frequently Asked Questions

Q: How energy-efficient is this heater?
This model exceeds all federal and state efficiency standards, ensuring you get powerful heating while keeping energy costs low.

Q: Is this heater suitable for both pools and spas?
Yes, the Ruud P-D406A is designed to heat both pools and spas efficiently, making it a versatile choice for homeowners and commercial facilities.

Q: Does this heater require professional installation?
Yes, for optimal performance and safety, it is recommended that a certified professional install the unit.
Warranty
Warranty URL: https://www.ruud.com/warranty/
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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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