Jandy JXi Natural Gas Heater
Best high-capacity heater for homeowners needing rapid, efficient pool warming.
This is the heavy-duty solution for those who refuse to wait for a swim. By integrating the bypass system directly into the unit, it eliminates the plumbing headaches of traditional setups while delivering rapid, consistent heat that turns a chilly pool into a spa-like retreat in record time.
$4170.00
In stock
at
Pool Supply Express
Owner Satisfaction
4.3
/
5
Category Rank
348
/
676
#348 in Pool Heaters
Price vs Category Average
+198%
Above average
Heating Capacity
400000
/
, BTU
Who it's for
- Owners of large pools needing fast, reliable temperature control
- Budget-conscious homeowners prioritizing long-term energy efficiency
- Installers and owners with limited equipment pad space
Who should skip it
- Shoppers seeking an affordable, entry-level heating solution
- Homeowners lacking access to a natural gas line
- DIY enthusiasts hoping to avoid professional service fees
Performance breakdown
Heating Speed
Massive 400,000 BTU output makes short work of large pool volumes.
Flow Efficiency
VersaFlo bypass technology optimizes water circulation for maximum thermal transfer.
Interface Intuition
Digital controls simplify complex temperature management for everyday users.
Installation Flexibility
Compact footprint allows for easier placement in tight equipment pads.
Energy Optimization
Advanced combustion design minimizes waste during active heating cycles.
Build Durability
Robust construction withstands harsh outdoor environments and seasonal temperature swings.
Key Specs
Heating Capacity
400,000 BTU
Fuel Type
Natural Gas
Integrated Bypass
VersaFlo Integrated Bypass system
Temperature Control
Digital display and user-friendly interface
Heating Technology
Natural Gas Heater
Digital Display
True
Warranty
0 years
Know before you buy
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