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#50 Natural Gas Millivolt Plus Polymer Heater 199K BTU 9934 RUD-15-9934
#50 Natural Gas Millivolt Plus Polymer Heater 199K BTU 9934 RUD-15-9934
199K BTU natural gas pool and spa heater with copper tubing and millivolt ignition for dependable residential performance.
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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.
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Customers appreciate the energy-saving Millivolt ignition, perfect for areas without consistent power supply.
Installation is often noted as quick and straightforward due to slip-fit connections.
Users praise its reliability and fast heating ability for small to medium pools and spas.
The durable cabinet and copper tubing deliver long-term performance in a compact package.
Ideal for residential setups, many note it as a budget-friendly yet dependable option.
- BTU Input: 199,500
- Fuel Type: Natural Gas
- Control Type: Millivolt Plus (no electrical hookup required)
- Tubing Material: Copper
- Construction: PolyTuf powder-coated steel cabinet
- Header Material: Polymer
- Application: For pool and spa, residential use
- Flow Capacity: Handles up to 125 GPM
- Certification: ASME Certified
- Brand: RUUD
- Application: Pool, Spa
- Shipping Dimensions: 44 x 30 x 25 inch
- BTU Input: 199,500 British thermal unit
- Burner Orifice Size: #50
- Cabinet Depth: 28 inch
- Cabinet Height: 38 inch
- Cabinet Width: 20 inch
- Channel: Pool Equipment
- Commercial, Residential, or Professional: Residential
- Control Type: Millivolt Plus
- Each Product Weight: 188 pound
- Elevation Max: 2000 foot
- Elevation Min: 0 foot
- Flow Rate Max: 125 gal/min
- Flow Rate Min: 125 gal/min
- Flue Diameter: 6 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: False
- Indoor Drafthood: 61.625 inch
- Master Carton Quantity: 1
- Minimum J: 11.875 inch
- Minimum Sell Quantity: 1
- Pallet Quantity: 1
- Phase: Single
- Stackless Outdoor Top: 40 inch
- Standards Approvals: ASME Certified
- Tubing Material: Copper
- Voltage: 115V, 230V
- UPC Code: 840891013976
Q: Can the P-D206A operate without electrical power?
Yes, it uses a Millivolt ignition system that doesn't require electricity.
Q: Is this model suited for commercial pools?
No, it's designed specifically for residential pool and spa applications.
Q: How is the unit protected against the elements?
The PolyTuf powder-coated cabinet offers reliable weather resistance for outdoor use.

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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