Help Spring get here faster! Install a new energy efficient swimming pool heater!

Don't miss our incredible savings right now when you install the ALL NEW Jandy JXi!


The Total Package

The JXi 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 four BTU sizes, 200K (coming soon!), 260K, 399K, and offered in both natural and propane gas models.


Pro-driven features include:

Ultra-Compact - 2' x 2' footprint for small space requirements and maximum installation flexibility.**
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.
**Refer to JXi manual for proper heater clearances that may apply.
***Please see Easy Replacement section on next page.


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 is 38% lighter with a 28% smaller footprint.
*Smaller footprint compared to major competitor models
Flexible Installation - 180° 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 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 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.

Download the PDF Brochure here.