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
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In-ground pools and spas using liquid propane
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Homeowners needing fast heat-up times
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Installations requiring Low-NOx compliance
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Replacements or upgrades from older gas heaters
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Tight equipment pads where space is limited
Key Features
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400,000 BTU Heating Power for rapid temperature rise
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Low-NOx Emissions Design – meets strict air quality regulations
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Liquid Propane Fuel Type
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Compact, Lightweight Construction
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User-Friendly Digital Controls
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Easy Front Access Panels for simplified service
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Corrosion-Resistant Heat Exchanger
Benefits
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Fast Pool & Spa Heating with high-output performance
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Energy Efficient Operation compared to older heaters
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Environmentally Friendly Low-NOx combustion system
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Simplified Maintenance reduces service time and costs
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Flexible Installation Options for new or retrofit projects
Compatibility
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Designed for in-ground pool and spa systems
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Compatible with Jandy automation systems
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Requires liquid propane gas supply
Always verify gas type, sizing, and local code requirements prior to installation.
Installation Notes
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Professional installation strongly recommended
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Proper gas sizing and ventilation required
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Must comply with local building and emissions codes
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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.