Jandy Pro Series JXi Low NOx Natural Gas Heater (260 – 400 BTU)

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Product Name: Jandy Pro Series JXi Low NOx 260,000 BTU Natural Gas Heater
Product Code: JXi260N – JXI400N
Maximum Altitude: 10,000 FT
BTU Rating: 260,000 BTUs
Heater Type: Natural Gas
Connection Size: 2 Inches
Voltage (if required): 120 / 240 V
Heater Dimensions: 22.9″ x 22.1″ x 26.5″
Replacement Parts View Online
Warranty: 1 Year
Video: Product Video
The JXi heater 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. This high-efficiency, low-NOx JXi is 260,000 BTUs in size and accepts natural gas.

Pro-driven features for the fastest, most customer-friendly installation include:

Ultra-Compact – 2′ x 2′ 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 – Plumbing flexibility for quick Mastertemp® and
Max-E-Therm® replacement that requires no plumbing adjustments.***
Easy to Control – RS485 digital interface is Aqualink®/iAqualink™-compatible for pool and spa automation.
**Refer to JXi manual for proper heater clearances that may apply.
***Please see Easy Replacement section on next page.


Energy-efficient – 83% thermal efficiency rating and low-NOx design surpasses strict DOE energy efficiency requirements.
Ultra-Compact Lightweight Design – Easy to store, transport, and install, the JXi is 38% lighter with a 28% smaller footprint.
*Smaller footprint compared to major competitor models
Flexible Installation – 180° rotatable top so you never need to rotate headers.
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
Easy Access – Electrical panel flips up for ease of service.
Easy Replacement – 3-port header for easy plumbing and drop-in replacement of MasterTemp, Max-E-Therm, and Jandy Pro Series heaters.
Sidewall Ventilation – Provides versatility and ease of installation.
High-Efficiency Gas Train and Heat Exchanger Design
Copper fin heat exchanger tubes for efficient heat transfer
Single stainless steel burner with robust design
Blower-driven gas and air mix for reliable performance
Hot surface ignitor for consistent start-ups
User-Friendly Control – Digital interface for effortless temperature control and diagnostics with run-time and cycle meter.
Technical Details:

Corrosion-resistant stainless steel header bar for extreme heat exchanger durability.
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.
1 Year Manufacturer’s Warranty

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