Raypak 014951 Digital Electronic Cupro Nickel Natural Gas Pool and Spa Heater #51 406K BTU The Raypak 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. Cupro-nickel fin tube – More resistant to corrosion from salt, low pH, or heavy-duty use. If you have a saltwater pool, cupronickel is a must! 2-Year Parts and Labor Warranty Enjoy effortless heating with Raypak’s advanced technology and superior performance. Specifications: Applications: Residential, Pool, Spa Product Type: Pool Heater Elevation: 0 - 2,000 ft Heat Exchanger: Cupro-Nickel Fuel Type: Natural Gas Manufacturer: Raypak Ignition: Electronic Installation Type: Residential Emission: Standard Model Numbers: Raypak: P-R406A-EN-X Rheem: P-M406A-EN-X Ruud: P-D406A-EN-X Heat Output: 406,000 BTU Shipping Dimensions: 30.5" Width x 45" Length x 37" Height Shipping Weight: 250 lbs. Support Documents: Brochure User Manual Warranty