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Replacement Heat Exchanger and Header Assembly for Jandy Heaters

Original price was: $90.40.Current price is: $63.94.

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46 in stock

SKU: YPSX128213502 Category:

Jandy JXi 400K Heat Exchanger and Header Assembly – R0805805 Genuine Replacement

The Jandy R0805805 Heat Exchanger and Header Assembly is the factory replacement heat-transfer core for 400,000 BTU Jandy JXi gas heaters. Built to restore peak heating performance and combustion efficiency, this complete assembly pairs a new heat exchanger with a matched header, making it the go-to repair when corrosion, scale, or impact damage compromises your original unit.

Key Features:

  • OEM Jandy Replacement: Engineered to exact factory tolerances for a precise fit in JXi 400K series heaters.
  • Complete Assembly: Includes both the heat exchanger and header together, simplifying installation and ensuring matched components.
  • Natural Gas & LP Ready: Labeled for Natural Gas service with included labels for conversion use on LP Gas heaters.
  • Heavy-Duty Construction: Robust 65-pound build is designed for reliable, long-term heat transfer performance.
  • Broad JXi Compatibility: Fits JXI400N, JXI400NK, JXI400P, and JXI400PK heater models.

Technical Specifications:

  • Part Number (MPN): R0805805
  • UPC: 052337078191
  • BTU Rating: 400,000 BTU
  • Weight: Approximately 65 lbs
  • Fuel Compatibility: Natural Gas (with LP conversion labels included)
  • Fits Models: Jandy JXI400N, JXI400NK, JXI400P, JXI400PK
  • Assembly Includes: Heat exchanger and header (burner not included)
  • Product Type: Heat Exchanger Assembly