Jandys JXi Pool and Spa Heater

When it comes to maintaining the perfect pool temperature, the right heater can make all the difference. The Jandy JXi Heater stands out as one of the top choices for pool owners seeking efficiency, reliability, and advanced technology. Known for its compact design, energy-saving features, and user-friendly controls, the JXi is a game-changer in pool heating. Whether you're extending your swimming season or ensuring a comfortable temperature year-round, this high-performance heater is built to deliver exceptional results. In this blog, we'll dive into the key features and benefits of the Jandy JXi Heater, helping you decide if it's the right fit for your pool heating needs.

JXi Pool & Spa Heater

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. Jandys 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. 

Features 

One of the best features of this heater is its retrofit option. The 3-port header makes for easy plumbing and quick replacement of the MasterTemp and Max-E-Therm heaters with no plumbing adjustments. Compared to other models this ultra-compact and lightweight design makes this another great feature of this heater. This will fit on a 2’ x 2’ pad and is 38% lighter with a 28% smaller footprint. The easily removable top is made for increased accessibility and rotated 180 degrees so you never need to rotate headers. The JXi heater has a fully encased shell that protects against rodent intrusion and damage. 

Options 

Check out all the available model options:

Model Number

Firing Range

Gas Type

Heat Exchanger

Thermal Efficiency

Vent Diameter

Min GPM

Max GPM

JXi200N

200K BTU

Natural Gas

Copper

83%

6”

30

100

JXi260N

260K BTU

Natural Gas

Copper

84%

7”

30

100

JXi400N

399K BTU

Natural Gas

Copper

84%

8”

30

100

JXi400NN

399K BTU

Natural Gas

Cupronickel

83%

8”

30

100

JXi200P

200K BTU

Propane

Copper

83%

6”

30

100

JXi260P

260K BTU

Propane

Copper

84%

7”

30

100

JXi400P

399K BTU

Propane

Copper

84%

8”

30

100

JXi400PN

399K BTU

Propane

Cupronickel

83%

8”

30

100


Overall, Jandys JXi heaters offer a space-saving and energy-efficient design that is easy to install. It is available in three BTU sizes and offered in both natural and propane gas models. It is lightweight making it easy for maneuverability. There are no plumbing adjustments that are required for quick and easy replacement of MasterTemp and Max-E-Therm heaters. The JXi heater is reliable and has balanced flow and temperature control with a thermal regulator valve. 


If you have any questions or need help looking for a product for your pool please give us a call at 602-854-9058 or send us an email at support@epoolsupply.com. We have a fantastic team of pool professionals to help direct you to the right sources. Also, check out our YouTube videos where our pool professionals go over how to do installs, quick fixes, and more.


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