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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

Trade Series Exclusive Logo

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

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 19.84 MB
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File Type PDF
Document ID 5872_SL
Description JXI with VersaFlo Brochure
File Size 637.56 KB
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File Type PDF
Document ID 4069_SL
Description JXi ASME Brochure
File Size 7.84 MB
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File Type PDF
Document ID 5878_SL
Description JXI Brochure
File Size 1.35 MB
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File Type PDF
Document ID 2103_SL
Description JXi ASME Pool & Spa Commercial Brochure
File Size 7.32 MB
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File Type PDF
Document ID H0493300
Description VersaFlo™ Integrated Bypass Installation Manual for JXi™ Pool and Spa Heater
File Size 3.2 MB
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File Type PDF
Document ID SA6362
Description Counter Mat: JXi Heater
File Size 1.25 MB
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File Type PDF
Document ID H0454800
Description Quick Reference Guide: JXi Heater
File Size 9.87 MB
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File Type PDF
Document ID H0439900
Description JXi Gas Fired- Pool & Spa Heater Parts Kit Installation Instructions
File Size 5.27 MB
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File Type PDF
Document ID H0439800
Description Blower Installation Instructions: JXi Heater
File Size 813.29 KB
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File Type PDF
Document ID H0439300
Description Thermal Regulator Valve Installation Instructions: JXi Heater
File Size 937.51 KB
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File Type PDF
Document ID H0440100
Description JXi™ Gas-Fired Pool & Spa Heater Spare Parts Installation Instructions
File Size 841.46 KB
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File Type PDF

JXi™ Pool & Spa Heater Features

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