Product Overview

The JXi™ Liquid Propane Low-NOx Pool and Spa Heater (400K BTU) from Jandy® delivers powerful, efficient heating in a compact, modern design. Engineered with low-emissions technology, the JXi meets stringent air-quality standards while providing fast, reliable temperature control for pools and spas.

Its lightweight build, easy-access components, and advanced controls make the JXi an ideal choice for both new installations and equipment upgrades, offering professional performance with simplified serviceability.

Ideal For

• In-ground pools and spas using liquid propane

• Homeowners needing fast heat-up times

• Installations requiring Low-NOx compliance

• Replacements or upgrades from older gas heaters

• Tight equipment pads where space is limited

Key Features

• 400,000 BTU Heating Power for rapid temperature rise

• Low-NOx Emissions Design – meets strict air quality regulations

• Liquid Propane Fuel Type

• Compact, Lightweight Construction

• User-Friendly Digital Controls

• Easy Front Access Panels for simplified service

• Corrosion-Resistant Heat Exchanger

Benefits

• Fast Pool & Spa Heating with high-output performance

• Energy Efficient Operation compared to older heaters

• Environmentally Friendly Low-NOx combustion system

• Simplified Maintenance reduces service time and costs

• Flexible Installation Options for new or retrofit projects

Compatibility

• Designed for in-ground pool and spa systems

• Compatible with Jandy automation systems

• Requires liquid propane gas supply

Always verify gas type, sizing, and local code requirements prior to installation.

Installation Notes

• Professional installation strongly recommended

• Proper gas sizing and ventilation required

• Must comply with local building and emissions codes

• Electrical and plumbing connections sold separately

Customer-Facing Q&A

Q: Is this heater natural gas or propane?
A: This model is designed specifically for liquid propane applications.

Q: Is this heater Low-NOx compliant?
A: Yes, the JXi heater is engineered to meet strict Low-NOx emissions standards.

Q: How fast will this heater warm my pool or spa?
A: With 400,000 BTU of output, it provides rapid heat-up times, depending on pool size and conditions.

Q: Can this heater work with automation systems?
A: Yes, it is compatible with Jandy automation systems for seamless control.