The Jandy JXiQ Natural Gas Pool Heater with VersaFlo (JXIQ400NK) is a 400,000 BTU, Low-NOx pool and spa heater with a copper heat exchanger in a compact 2' x 2' footprint. VersaFlo integrated bypass improves hydraulic efficiency and reduces pump energy use. It suits medium to large in-ground pools and spas that need fast heat-up.
Key Features
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400K BTU Capacity: Rapid pool and spa heat-up.
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Low-NOx: Compliant with strict air-quality regulations, including California and Texas.
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VersaFlo Bypass: Boosts hydraulic efficiency and energy savings when activated.
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Compact & Lightweight: 2' x 2' footprint, lighter than traditional 400K BTU heaters.
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Flexible Installation: Top or front plumbing, field-convertible from left to right side connections.
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Automation Ready: Digital controls integrate with Jandy AquaLink RS and iAquaLink.
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Durable Build: Corrosion-resistant polymer headers and copper heat exchanger.
Specifications
| Brand |
Jandy |
| Product Line |
JXiQ |
| Part Number |
JXIQ400NK |
| BTU |
400,000 input |
| Fuel Type |
Natural gas |
| Thermal Efficiency |
84% or higher |
| Heat Exchanger |
Copper |
| Ignition |
Hot surface |
| Connections |
2" universal unions |
| Dimensions |
Approx. 38" L x 24" W x 23" H |
| Weight |
Approx. 126 lb |
What's Included
- JXiQ 400K BTU natural gas heater with integrated VersaFlo bypass
- Owner's/installation manual
Before You Order
Confirm your fuel is natural gas, your gas line is sized for 400,000 BTU, and venting meets local gas codes; the heater is for outdoor installation, or indoor with the proper venting kit. Professional installation is required. Questions? Call 855-677-7796 or contact us with your model and part number.
Shipping Box Dimensions
39.8 x 23.3 x 28.5 in
Dimensions refer to the shipping carton.
