Brand: Jandy.  The JXi™ heater sets the standard in pool and spa heating with its ultra-compact size, lightweight design and durable construction that protects against rodents. Boasting an 84% thermal efficiency rating* and a low-NOx design, the JXi is available in both natural and propane gas models.
 
An ideal heater for any circumstance, new build or as a drop-in replacement, the JXi is easy to install with ample plumbing flexibility to accommodate a quick swap for Mastertemp® and Max-E Therm® with no unnecessary adjustments.
 
The JXi also features advanced automation compatibility with AquaLink® systems and iAquaLink® control, for anytime, anywhere convenience—making it a top choice for pool professionals and pool owners everywhere.