The JXi™ heater sets the standard in pool and spa heating technology with its ultra-compact size, lightweight design, durable construction and high energy-efficiency rating. Providing extreme installation flexibility, this high-efficiency, low-NOX heater is a top choice for pool professionals and pool owners everywhere and is available in both natural and propane gas models.
Best Retrofit Option
3-port header for easy plumbing and quick replacement of MasterTemp® and Max-E-Therm® heaters with no plumbing adjustments
Ultra-Compact Lightweight Design
Fits on a 2’ x 2’ pad and
is 38% lighter with a 28%
smaller footprint*
*Compared to major competitor models
Flexible Installation
Top is easily removed for increased accessibility and rotated 180 degrees so you never need to rotate headers