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Jandy Pro Series JXI Pool Heater 260,000 BTU Gas Heater

The Total Package

The JXi pool heater sets a new standard in pool and spa heating technology with its ultra-compact size, lightweight design, and installation flexibility, making it a top choice for pool professionals and pool owners everywhere. The high-efficiency, low-NOx JXi is available in two BTU sizes: 260K, 399K, and offered in both natural and propane gas models.

Pro-driven features for the fastest, most customer-friendly pool heater installation include:

  • Ultra-Compact- 2' x 2' footprint for small space requirements and maximum installation flexibility.**
  • Lightweight Design- Weighs less than 126 pounds unpackaged for easy maneuverability and transport.
  • Best Retrofit Option- Plumbing flexibility for quick Mastertemp and
    Max-E-Therm replacement that requires no plumbing adjustments.***
  • Easy to Control- RS485 digital interface is Aqualink/iAqualink-compatible for pool and spa automation.


  • Energy-efficient- 83% thermal efficiency rating and low-NOx design surpasses strict DOE energy efficiency requirements.
  • Ultra-Compact Lightweight Design- Easy to store, transport, and install, the JXi pool heater is 38% lighter with a 28% smaller footprint. *Smaller footprint compared to major competitor models
  • Flexible Installation- 180degree rotatable top so you never need to rotate headers.
  • Versa Plumb-Ready- Installation in the Versa Plumb system reduces plumbing costs and increases energy efficiency, all using the smallest footprint available. Sweep elbow included in all JXi pool heater models
  • Easy Access- Electrical panel flips up for ease of service.
  • Easy Replacement- 3-port header for easy plumbing and drop-in replacement of MasterTemp, Max-E-Therm, and Jandy Pro Series pool heaters.
  • Sidewall Ventilation- Provides versatility and ease of installation.
  • High-Efficiency Gas Train and Heat Exchanger Design
    • Copper fin heat exchanger tubes for efficient heat transfer
    • Single stainless steel burner with robust design
    • Blower-driven gas and air mix for reliable performance
    • Hot surface ignitor for consistent start-ups
  • User-Friendly Control- Digital interface for effortless temperature control and diagnostics with run-time and cycle meter.

Technical Details:

  • Corrosion-resistant stainless steel header bar for extreme heat exchanger durability.
  • Venturi-driven air and gas mix for enhanced performance.
  • Reliable, balanced flow and temperature control with thermal regulator valve.
  • Differentiated limit switches meet applicable product safety standards.
  • Corrosion-resistant temperature sensors for reliable operation.


*If this product needs to be delivered via motor freight, there will be a separate freight charge

Price: $2,075.00

  In Stock

Gas Type: