JXi™ HEATER
POOL & SPA HEATER
AN ULTRA-COMPACT AND ENERGY-EFFICIENT
GAS POOL HEATER
NEW! ASME Certified Models Now Available


THE TOTAL PACKAGE
The JXi™heater sets the standard in pool and spa heating technology with its ultra-compact size, lightweight design, and energy-efficiency options that save on electrical costs. Providing extreme installation flexibility, this high-efficiency, low-NOx heater is a top choice for pool professionals and pool owners everywhere and is available in both natural and propane gas models.
ENERGY EFFICIENT
84% thermal efficiency rating and low-NOx design surpasses strict DOE Energy Efficiency requirement. Select JXi with VersaFlo ™ or add the optional VersaFlo Accessory Kit to reduce energy costs even more.

FASTEST INSTALLATION
Pro-driven features for the fastest, most customer-friendly installation include:
Best Retrofit Option
Plumbing flexibility for quickMastertemp®and Max-E-Therm®replacement that requires no plumbing adjustments.
Ultra-Compact
Lightweight Design
Easy to store, transport, and install, JXi ™ easily fits on a 2′ x 2′ pad and is 38% lighter with a 28% smaller footprint.
*Compared to major competitor models

Flexible Installation
Top can be easily removed for increased accessibility and rotated 180 degrees so you never need to rotate headers. Also includes a flip-up electrical panel for convenient setup and service.

84% Thermal Efficiency applies to 260K and 400K BTU Models with Copper Heat Exchangers, 200K BTU
and all models with Cupronickel heat exchangers are 83%, see back page for complete model listing.

Versa Plumb® -Ready
Installation in the Versa Plumb system* reduces plumbing costs and increases energy efficiency, all using the smallest footprint available.
*Sweep elbow included in all JXi models

ASME Certified Models Now Available*
JXi™models are available with robust heat exchanger tubes and corrosion-resistant bronze headers to meet the high stresses of commercial installations.
*Not available with VersaFlo Integrated Bypass technology

SAVE EVEN MORE WITH OPTIONAL
VERSAFLO ™INTEGRATED BYPASS*
*VersaFlo not available on ASME-certified models.
Here’s How:
» The heater is typically only used 3.5% of average annual pump runtime, the other 96.5% of the time the heat exchanger can be bypassed.
» JXi with VersaFlo activates the built-in flow bypass valve based on call for heat to avoid running water through the heat exchanger when water does not need to be heated.
» When used with a variable-speed pump, JXi with VersaFlo requires considerably less electricity, thereby providing for significantly reduced electricity costs.**
» VersaFlo Integrated Bypass is available on select models or can be easily added to any JXi heater in the field.***
**Versus similar system without VersaFlo. ***See JXIVFKIT installation manual for more details.
5-YEAR HEAT EXCHANGER WARRANTY
JXi heaters with VersaFlo factory installed receive an industry leading 5-Year standard warranty
on the heat exchanger.

Bypass Mode

Heat Mode
ADDITIONAL FEATURES
![]() ![]() | Weld-free combustion chamber for optimal corrosion resistance, models available with copper or cupronickel heat exchangers. |
![]() | Venturi-driven air and gas mix for enhanced performance. |
![]() | Reliable, balanced flow and temperature control with thermal regulator valve. |
![]() | Differentiated limit switches meet applicable product safety standards. |
![]() | Corrosion-resistant temperature sensors for reliable operation. |


AVAILABLE IN THE FOLLOWING MODELS
| Model # | Model # with VersFlo | Firing Rate | Gas Type | Heat Exchanger | Thermal Efficiency | Dim A | Weight | Vent Diameter* | Minimum GPM | Maximum GPM |
| JXi200N | JXi200NK | 200K BTU | Natural Gas | Copper | 83% | 34.5 | 117 lbs. | 6″ (15 cm) | 30 | 100 |
| JXi260N | JXi260NK | 260K BTU | Natural Gas | Copper | 84% | 34.5 | 120 lbs. | 7″ (18 cm) | 30 | 100 |
| JXi400N | JXi400NK | 399K BTU | Natural Gas | Copper | 84% | 34.5 | 126 lbs. | 8″ (20 cm) | 30 | 100 |
| JXi400NN | 399K BTU | Natural Gas | Cupronickel | 83% | 34.5 | 126 lbs. | 8″ (20 cm) | 30 | 100 | |
| JXi200P | JXi200NK | 200K BTU | Propane | Copper | 83% | 34.5 | 117 lbs. | 6″ (15 cm) | 30 | 100 |
| JXi260P | JXi260PK | 260K BTU | Propane | Copper | 84% | 34.5 | 120 lbs. | 7″ (18 cm) | 30 | 100 |
| JXi400P | JXi400PK | 399K BTU | Propane | Copper | 84% | 34.5 | 126 lbs. | 8″ (20 cm) | 30 | 100 |
| JXi400PN | 399K BTU | Propane | Cupronickel | 83% | 34.5 | 126 lbs. | 8″ (20 cm) | 30 | 100 | |
| JXiVFKIT | JXiVFKITK | JXi VersaFlo Accessory Kit (Not compatible with ASME certified heaters) | ||||||||
ASME Certified JXi Heaters (Not available with VersaFlo Integrated Bypass technology)
| Model # | Firing Rate | Gas Type | Heat Exchanger | Thermal Efficiency | Dim A | Weight | Vent Diameter* | Minimum GPM | Maximum GPM |
| JXi260NC | 260K BTU | Natural Gas | Copper | 84% | 31.6 | 163 lbs. | 7″ (18 cm) | 30 | 100 |
| JXi260PC | 260K BTU | Propane | Copper | 84% | 31.6 | 163 lbs. | 7″ (18 cm) | 30 | 100 |
| JXi400NC | 400K BTU | Natural Gas | Copper | 84% | 31.6 | 168 lbs. | 8″ (20 cm) | 30 | 100 |
| JXi400PC | 400K BTU | Propane | Copper | 84% | 31.6 | 168 lbs. | 8″ (20 cm) | 30 | 100 |
* Minimum vent pipe size for Category I installations.
2 units per pallet. Trade Series Exclusive product; not available for Internet sale.

Jandy.com | 1.800.822.7933
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