HEATER JXI 400K BTU NATURAL GAS - JXI400N

SKU: JXI400N
Regular price $3,429.33

Available for pickup at

  • MT Pool Distributor Broward (3) in stock
  • MT Pool Distributor Corporate (4) in stock
  • MT Pool Distributor North (23) in stock
In stock

The Jandy JXI400N 400,000 BTU Natural Gas Heater delivers professional-grade performance that pool contractors trust for efficient, reliable pool and spa heating. With 84% thermal efficiency and Low-NOx design exceeding DOE requirements, this heater provides the power and environmental compliance commercial installations demand.

Contractor Installation Benefits

Designed for professional efficiency, the JXI400N fits on a compact 2' x 2' pad and offers plumbing flexibility for quick replacement of Mastertemp® and Max-E Therm® heaters without costly plumbing modifications. The removable and rotatable top plus flip-up electrical panel reduce service time, while the lightweight 117 lb design simplifies installation logistics for your crew.

Why Pool Contractors Choose MT Pools

MT Pools supports your business success with superior customer service, competitive B2B wholesale pricing, and reliable inventory management. Our daily recurring customer support ensures your projects stay on schedule while our technical expertise helps you specify the right equipment for every application.

Frequently Asked Questions

What pool size is the JXI400N suitable for?

The JXI400N 400K BTU heater is designed for pools up to 300 square feet surface area, with flow rates from 30-100 GPM for optimal performance.

Is the JXI400N compatible with automation systems?

Yes, the JXI400N is automation-ready and fully compatible with AquaLink® systems and iAquaLink® mobile app control for convenient remote operation.

What electrical requirements does this heater have?

The JXI400N comes factory wired for 240V 60Hz but is convertible to 120V 60Hz, drawing less than 5 amps at 120V or 2.5 amps at 240V with GFCI protection required.

Does MT Pools offer technical support for installation?

Yes, MT Pools provides comprehensive technical support and installation guidance to ensure proper setup and optimal performance for pool contractors.

Order Today

Join thousands of pool contractors who rely on MT Pools for premium Jandy equipment. Our team provides expert technical guidance and fast shipping to keep your projects moving forward.

• 400,000 BTU natural gas heating capacity
• 84% thermal efficiency exceeds DOE requirements
• Low-NOx design for environmental compliance
• Compact 2' x 2' pad installation footprint
• Lightweight 117 lb design for easy handling
• Plumbing flexibility for Mastertemp® and Max-E Therm® replacement
• Removable and rotatable top for service access
• Flip-up electrical panel for convenient maintenance
• Automation-ready with AquaLink® system compatibility
• iAquaLink® mobile app control capability
• Versa Plumb®-Ready for reduced installation costs
• Copper heat exchanger with Hi-Temp Poly headers
• Digital temperature display for precise control
• Factory wired 240V, convertible to 120V
• Flow rate capacity: 30-100 GPM
• Suitable for pools up to 300 sq ft surface area
• 6-inch vent diameter
• Advanced combustion technology
• Professional installation required
• Limited factory warranty with 5-year heat exchanger option