Jandy JXi™ Pool and Spa Heater | 400,000 BTU

SKU: JXI400N  |  Barcode: 52337066495

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Jandy JXi™ Pool & Spa Heater 400,000 BTU – High Efficiency Gas Pool Heater

The Jandy JXi Pool and Spa Heater 400,000 BTU is a high-performance gas pool heater engineered for fast, efficient heating of pools and spas. Manufactured by Jandy, a trusted name under Zodiac, this unit delivers powerful 400,000 BTU output in a compact, energy-efficient design.

Built for durability and ease of installation, the JXi heater is ideal for replacing outdated or underperforming pool heaters while improving overall system efficiency.


Key Features

  • 400,000 BTU output for fast pool and spa heating
  • High-efficiency operation to reduce energy costs
  • Compact, lightweight design for flexible installation
  • Durable, corrosion-resistant construction for long service life
  • Digital controls for precise temperature management
  • Low-NOx emissions for environmentally compliant performance

Benefits of Upgrading to the Jandy JXi Heater

Replacing an aging or inefficient heater with the JXi 400,000 BTU model helps:

  • Heat your pool or spa faster and more consistently
  • Lower long-term operating and maintenance costs
  • Improve reliability during peak swimming seasons
  • Integrate with modern pool automation systems

Early replacement of a failing heater can prevent costly repairs and downtime while protecting other pool equipment.


Compatibility and Installation

The JXi heater is compatible with a wide range of in-ground pool and spa systems. Before purchasing:

  • Verify gas type (natural gas or propane)
  • Confirm system sizing and plumbing compatibility
  • Review manufacturer specifications for proper fit

Professional installation is recommended to ensure safe operation and optimal performance.


Ideal Applications

  • In-ground residential pools
  • Pool and spa combination systems
  • Heater replacements for older units
  • High-demand heating environments