Jandy JXI Natural Gas Pool Heater – 399,000 BTU (Model JXI400N)

Product Overview

The Jandy JXI400N Natural Gas Pool Heater delivers powerful, efficient heating in a compact, lightweight design. With an impressive 399,000 BTU output, this heater is engineered to quickly heat pools and spas while maintaining energy efficiency and long-term durability. Its copper heat exchanger ensures excellent heat transfer and corrosion resistance, making it a reliable choice for residential and commercial pool owners alike.

Designed for easy installation and serviceability, the JXI series combines high performance with modern engineering to keep your pool at the perfect temperature season after season.

Ideal For

• Medium to large residential pools

• Commercial pools and spas

• Pool owners needing fast heat-up times

• Installations requiring high flow rates up to 100 GPM

• Systems using natural gas

Key Features

• High Output Performance: 399,000 BTU for rapid and consistent heating

• Natural Gas Operation: Reliable and cost-effective fuel source

• Copper Heat Exchanger: Excellent thermal efficiency and durability

• Compact & Lightweight: Weighs only 141 lbs for easier handling and installation

• High Flow Capability: Supports up to 100 gallons per minute

• Corrosion-Resistant Design: Built for long service life in demanding pool environments

• User-Friendly Controls: Simple operation and maintenance access

Benefits

• Faster Pool Heating: Spend less time waiting and more time swimming

• Energy Efficient Design: Maximizes heat transfer while minimizing waste

• Long-Lasting Reliability: Copper exchanger resists corrosion and wear

• Easy Installation: Lightweight, compact footprint fits a wide range of setups

• Versatile Use: Ideal for both pools and spas

Specifications

• Model: JXI400N

• Fuel Type: Natural Gas

• Heating Capacity: 399,000 BTU

• Heat Exchanger: Copper

• Maximum Flow Rate: 100 GPM

• Weight: 141 lbs

Customer-Facing Q&A

Q: Is this heater suitable for large pools?
A: Yes, the 399,000 BTU output makes it ideal for medium to large pools and spas.

Q: Does this heater run on propane?
A: No, this model is designed specifically for natural gas operation.

Q: What are the benefits of a copper heat exchanger?
A: Copper provides excellent heat transfer, improved efficiency, and strong resistance to corrosion.

Q: Can this heater handle high-flow pool systems?
A: Yes, it supports flow rates up to 100 GPM, making it compatible with many modern pool setups.

Q: Is the unit difficult to install?
A: The compact design and lightweight construction make installation easier compared to traditional heaters.