The JXi 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 pool and spa heater is 400,000 BTU and operates on propane.
Pro-driven features for the fastest, most customer-friendly pool
heater installation include:
Ultra-compact, 2'x2' 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, no plumbing
adjustments required for quick and easy replacement of Mastertemp® and Max-E-
83% thermal efficiency rating and low-NOx design
surpasses strict DOE energy-efficiency requirements
*Refer to JXi manual for proper heater clearances that may apply.