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JANDY JXI400PN LOW NOX PROPANE POOL & SPA HEATER – 400K BTU, POLYMER HEADERS, CUPRO-NICKEL HEAT EXCHANGER
Heating Capacity: 399,000 BTU
Thermal Efficiency: 84%
Fuel Type: Propane
Heat Exchanger: Cupro-Nickel
Maximum Water Flow: 100 GPM
Water Connections: 2"
Power: 115V / 230V Auto-Sensing
Emissions: Low NOx
The Jandy JXI400PN Low NOx Propane Pool & Spa Heater delivers 399,000 BTU at 84% thermal efficiency from one of the most compact cabinets in its class - Jandy rates the JXi platform at roughly a 28% smaller footprint than comparable competitor heaters.
The cupro-nickel heat exchanger is the right specification for salt-chlorinated pools and aggressive water chemistry. Where copper corrodes and fails early under those conditions, cupro-nickel holds up - which is why it exists as a separate configuration rather than a standard fitment.
A weld-free combustion chamber and venturi-driven air and gas mixing system improve corrosion resistance and combustion stability, and a thermal regulator valve balances flow and temperature automatically. SMART sensor monitoring and a digital interface handle diagnostics, and the heater is automation-ready with Jandy AquaLink and iAquaLink control.
Key Features
- 399,000 BTU heating capacity
- 84% thermal efficiency
- Propane
- Cupro-nickel heat exchanger for salt water and aggressive chemistry
- Low NOx design meeting strict environmental standards
- Weld-free combustion chamber for corrosion resistance
- Venturi-driven air and gas mixing system
- Thermal regulator valve for balanced flow and temperature control
- Corrosion-resistant temperature sensors
- SMART sensor performance monitoring
- Digital control interface
- Automation-ready with Jandy AquaLink and iAquaLink
- Ultra-compact, lightweight cabinet
- Maximum water flow 100 GPM
Specifications
| Specification | Details |
| Brand | Jandy |
| Part Number | JXI400PN |
| Series | JXi |
| Fuel Type | Propane |
| BTU Input | 399,000 BTU |
| Thermal Efficiency | 84% |
| Heat Exchanger | Cupro-Nickel |
| Maximum Water Flow | 100 GPM |
| Water Connections | 2" |
| Power | 115V / 230V Auto-Sensing |
| Emissions | Low NOx |
| Automation | AquaLink / iAquaLink Compatible |
What's Included
- Jandy JXI400PN Low NOx Propane Pool & Spa Heater
- Cupro-nickel heat exchanger assembly
- Digital control interface
- Installation and operation documentation
The Jandy JXI400PN pairs 399,000 BTU with a cupro-nickel exchanger - the JXi to specify for salt-chlorinated pools running on propane.
Learn more at Jandy:
https://www.jandy.com/en/products/pool-heating/heaters/jxi
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