Jandy JXiQ400NK Pool & Spa Heater with VersaFlo
Best high-efficiency heater for large, tech-forward pool and spa owners.
This heater turns your pool into a year-round asset without the usual energy waste, thanks to smart bypass technology that only activates when needed. It’s a powerful, compact solution for those who want rapid temperature control and remote diagnostics, though you’ll need a natural gas hookup to unlock its full potential.
$3799.00
at
Pool Supply Depot
More JXi options
Who it's for
- Homeowners prioritizing long-term energy savings and pump longevity
- Installers working with limited equipment pad space
- Tech-savvy users wanting remote control from anywhere
Who should skip it
- Budget-conscious buyers seeking a basic, low-cost heating solution
- Pool owners who struggle with consistent water chemistry maintenance
- Users preferring simple, analog controls over complex digital systems
Performance breakdown
Heating Speed
The 400,000 BTU output rapidly brings large pools to temperature.
Energy Efficiency
VersaFlo bypass technology significantly reduces energy waste during operation.
Smart Connectivity
Bluetooth and app integration make remote diagnostics and control effortless.
Installation Versatility
Compact footprint allows for easy placement on crowded equipment pads.
Build Durability
Copper heat exchanger provides reliable, long-term performance in standard water.
Automation Integration
Seamlessly syncs with Jandy AquaLink systems for unified pool management.
Key Specs
BTU Output
400,000 BTU/hr
Fuel Type
Natural Gas
Heater Type
Gas
Emissions
Low-NOx compliant
Thermal Efficiency
84%
Connections
2” universal unions
Dimensions
38" L x 24" W x 23" H
Weight
108 lbs
Ignition
Hot surface
Heat Exchanger Material
Copper
Know before you buy
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