Jandy JXiQ400NK 400K BTU Natural Gas Pool & Spa Heater with VersaFlo
The Jandy JXiQ400NK is a 400,000 BTU natural gas pool and spa heater designed for efficient and convenient temperature control. It features SMART sensors for optimal performance and Bluetooth connectivity for real-time diagnostics via the Fluidra Pro App. The VersaFlo Integrated Bypass technology ensures energy savings by heating only when necessary. Its industry-leading large display and user-friendly digital interface make monitoring and adjustments simple. Built with corrosion-resistant polymer headers and a copper heat exchanger, this heater offers durability and reliable performance for medium to large pools and spas, fitting easily on a compact 2 ft x 2 ft pad.
$3899.00
Owner Satisfaction
4.4
/ 5
Category Rank
248
/ 659
#248 in Pool Heaters
Price vs Category Average
+188%
Above average
BTU Output
400000
/ , BTU/hr
Who it's for
- High Efficiency with VersaFlo
- Ultra-Compact Footprint
- Seamless Smart Control
Who should skip it
- Premium Price Point
- Sensitivity to Water Chemistry
- Complex Digital Interface
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
Features
- 400,000 BTU heating capacity
- Low-NOx design for eco-compliance
- VersaFlo bypass for efficiency
- Compact and lightweight for easy install
- Bluetooth and app control
- Durable copper heat exchanger
- User-friendly digital display
- Automation-ready integration
What customers say
Customers overwhelmingly view the Jandy JXiQ400NK as a premium, high performance heater for large pools. The core appeal centers on its superior convenience and efficiency. Users consistently praise the remarkably compact design, which simplifies installation and saves space. Its 400K BTU output ensures rapid heating. A major highlight is the seamless iQ integration, offering sophisticated remote control via smartphone. The VersaFlo technology is frequently cited for optimizing efficiency and reducing operational costs. While the initial investment is high, the consensus is that the advanced technology, powerful performance, and convenience successfully justify the premium cost for those seeking a top tier heating solution.
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