Jandy JXI Natural Gas Heater, 399K BTU, Copper Exchanger | JXI400NProduct Overview The Jandy JXi Natural Gas Heater JXI400N is a compact, high performance gas pool and spa heater built for fast heat up, energy efficient operation, and flexible installation. With a powerful 399,000 BTU input, this heater is ideal for residential pools, spas, and pool spa combination systems that require dependable natural gas heating. The JXi series is known for its ultra compact 2' x 2' equipment pad footprint, lightweight cabinet,

Jandy automation compatible — works with compatible Jandy AquaLink and iAquaLink systems when properly configured

6 fl oz Formula Type Liquid Active Technology Lanthanum-Based Phosphate Removal Application Swimming Pool Water Treatment Use Location Added through skimmer/filter system as directed Compatible Pool Types Chlorine and Saltwater Pools Primary Use Reduces phosphate levels in pool water Barcode Confirm before publishing Customer-Facing Q&A

VDE and GS certified

Designed with a durable corrosion-resistant tank and a 2" top-mount VariFlo multiport valve

Replacement or new-build part — useful for repairs

Weekly maintenance routines

It is compatible with Pentair IntelliTouch® and EasyTouch® automation systems and can also be paired with the optional Pentair Color Sync™ Controller for convenient control of Pentair color LED lighting

Includes silicone Magic Lube — helps seat and protect O-rings during installation

Compatible Pentair IntelliFlo-style wet ends

Quiet Operation: Works silently without disrupting your backyard

Unlike older color lighting systems that require cycling through colors

Jandy controller