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JXi™ Pool & Spa Heater

The JXi offers a Space-Saving and Energy-Efficient Design that’s Easy to Install

SKU #JXI200N

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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.

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JXi™ Pool & Spa Heater Specifications

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JXi™ Pool & Spa Heater Downloads

Document ID 70233_SL
Description Jandy JXi Heater Sell Sheet
File Size 16.58 MB
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File Type PDF
Document ID H0574300
Description Jandy JXi Heater Installation and Operation Manual
File Size 20.53 MB
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File Type PDF
Document ID H0787800
Description VersaFlo™ Integrated Bypass Installation Manual for JXi™ Pool and Spa Heater
File Size 14.1 MB
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File Type PDF

JXi™ Pool & Spa Heater Features

JXi™ Pool & Spa Heater Related Products

Jandy Sacrificial Anode

The Jandy Sacrificial Anode keeps corrosion at bay by drawing corrosive materials and galvanic corrosion in the water away from susceptible parts and equipment.

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JXi™ Pool & Spa Heater Accessories

JXi™ Pool & Spa Heater Frequently asked questions

For the last 20 years, Jandy has been using a patented technology associating polyamides and titanium, both of which are totally free from the effects of corrosion. Today over 120,000 appliances have been installed without any corrosion defects. If a salt water chlorination method is being used, it is important to install a check valve between the heater outlet and the salt water chlorinator, to prevent high concentrations of chlorinated water from back siphoning into the heater.
No, it is perfectly possible to heat an "open air" pool without a cover or a shelter. The power and fuel requirements is similar to heating a house with the windows open! This is why we recommend the use of an insulating cover to limit heat loss to the open air when the pool is being heated. A covered or sheltered pool will reduce the amount of fuel needed and reduce the operating cost. Example: A 400 square foot pool in Tampa, heated to 82F year round could save 50% on the heating bill just by keeping the pool covered for 20 hours a day. Interested in getting a cover for your pool to save money? Check out our Coverpool products www.coverpools.com