Jandy JXI400NN JXi Natural Gas Pool Heater - 400000 BTU Standard Efficiency - TRADE GRADE

What This Part Is Used For
The Jandy JXI400NN is a high capacity natural gas pool heater used for large residential pools and spas. It is installed on the equipment pad and connected inline with the filtration system.

Why This Part Matters
Larger pools require higher BTU output to maintain set temperatures efficiently. An undersized heater may struggle to recover heat. This model provides strong heating performance for demanding applications.

Key Features and Specifications

• Manufacturer part number: JXI400NN
• Natural gas pool and spa heater
• 400000 BTU heating capacity
• Standard efficiency configuration
• Electronic ignition operation
• Designed for large residential pools

Installation and Fitment Guidance
Installation must comply with local gas and venting codes. Adequate water flow and gas supply are required for proper operation. Confirm by manufacturer part number before ordering.

About the Jandy Brand
Jandy offers a complete ecosystem of professional pool equipment. Their heaters integrate seamlessly with automation and control systems. Service technicians value consistent design and parts availability.

Common Service Context
This heater is commonly selected for large pool builds or high demand heating applications. Technicians encounter it during system upgrades requiring higher output.