Ruud 406A Digital Natural Gas Heater, P-D406A-EN-C 010001, 406K BTU, 2-7K Feet Elevation, Copper Tubing

The Ruud Digital Gas Pool & Spa Heater delivers reliable, energy-efficient heating with a sleek, weather-resistant design. Built for durability, it features a corrosion-resistant galvanized metal cabinet and a copper fin tube heat exchanger, ensuring year-round performance.

Features:

• ProTek Shield™ – Replaceable module extends heat exchanger life.
• Heat Exchanger Options – Choose from copper or cupronickel (ASME available).
• Flexible Installation – Ideal for upgrades or new systems.
• Low NOx Certified – Select models (207A-407A) ensure clean, efficient burning.
• Smart Digital Controls – Integrated microprocessor-controlled thermostat and remote compatibility.
• 2-Year Parts and Labor Warranty 

Support Documents:

• Brochure
• Install Guide
• Ops Man
• Warranty

Specifications:

• Brand: RUUD
• Application: Pool, Spa
• Shipping Dimensions: 44 x 34 x 30 inch
• BTU Input: 399,000 British thermal unit
• Burner Orifice Size: #51
• Cabinet Depth: 28 inch
• Cabinet Height: 38 inch
• Cabinet Width: 29 inch
• Commercial, Residential, or Professional: Commercial, Residential
• Control Type: Digital Electronic
• Weight: 238 pounds
• Elevation Max: 7000 feet
• Elevation Min: 2000 feet
• 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
• Minimum J: 12.3125 inch
• Phase: Single
• Stackless Outdoor Top: 40 inch
• Standards Approvals: ASME Certified
• Tubing Material: Copper
• Voltage: 115V, 230V
• UPC Code: 840891014638
• Known part numbers: P-D406A-EN-C 010001, 009219 P-R406A-EN-C