Skip to main content

Free Shipping, 30-day trial and a low price guarantee on every robot. Talk to a Pool Pro

Free Shipping and a low price guarantee on every pump. Need help sizing a pump?

Hourly water readings and personalized guidance in the ICO app, with no subscription required. Ask a Pool Pro

UV systems are sized to your pump's flow rate. Talk to a Pool Pro before you order.

Can't find a part? We can usually source any pool or spa product.

Free tools for choosing and running pool equipment. See all tools or ask a Pool Pro.

Reviews are written by our in-house pool professionals from hands-on testing. How we test

Jandy Natural Gas Pool Heater 400K BTU LXI400N

Jandy

$5,300

In stock

Buy on Amazon
  • Free Shipping
  • 30-Day Trial
  • Authorized Jandy Dealer

Sold out in our store. We link to Amazon so you can still buy it; as an Amazon Associate we earn from qualifying purchases.

  • Brand: Jandy
  • Model LXI400N
  • Free shipping on every order to the contiguous United States.

Overview

Jandy LXi - The Next Generation in Heating Technology

Integrating the most advanced features in every aspect, from superior hydraulic design, lightest and strongest composite material construction to a technologically innovative control system, the Jandy LXi brings the future of heating comfort to your pool.

Jandy LXi is newly designed! The LXi is 15 percent smaller and 33 percent lighter. The LXi has fan- assisted combustion that provides consistent and efficient heat production, even in windy conditions. No more flame out!

Plus, the Jandy LXi meets all low NOX standards. Durable, corrosion-resistant polymer headers and low profile design make installation of the LXi quick and easy. Electric spark ignition ensures start-up every time no pilot light that can blow out. State-of-the-art digital controls make the LXi easy to use.

The controls have built-in diagnostics that alert you in the event of a service problem. The diagnostics will also guide a repairman in servicing your heater quickly, saving you money. It even tells you when your pool needs backwashing! These advanced controls use easy touch buttons and message prompts to help you program your unit quickly and effortlessly. Not only is the LXi the most advanced heater you can buy, it is also very reliable.

The Jandy LXi has a feature rich control panel and a user-friendly backlit display. Built-in one-touch automation makes pool-to-spa switching simple. Freeze protection and Jandy's exclusive Maintain Temp Function are just a few of the many features that bring complete control and comfort to your pool and spa today.

Compact

Jandy's new LXi is the easiest heater to install. The LXi is 33% lighter, with a 15% smaller footprint.

Powerful

The LXi header improves entire circulation system efficiency. Offset plumbing and 2" universal unions provide added flexibility for simplified, direct connections.

Reliable

Low NOx, fan-assisted combustion and Hot Surface Ignition System provides maximum performance. Multiple venting options including sidewall, top or rear connections.

Efficient

High efficiency C-Fin heat exchanger is designed for lower operating cost and greater savings.

Specifications

Jandy Natural Gas Pool Heater 400K BTU LXI400N specifications
BrandJandy
Model NumberLXI400N
Jandy Natural Gas Pool Heater 400K BTU LXI400N specifications, continued
Shipping Weight150 lb

Manuals, warranty and returns

Warranty

Covered by the manufacturer's warranty; the term is shown on the product packaging. Every product carries the manufacturer's warranty shown on its page. Pool Express is an authorized dealer, so your warranty is valid.

Returns

Try it in your pool for 30 days. If it is not right for you, return it within 30 days of delivery for a full refund of the purchase price. You pay the return shipping. There is never a restocking fee. Full return policy

Manuals and documents

The manual ships in the box. Need a digital copy? Contact us and we will send it.

Shipping

Free shipping on every order to the contiguous United States. Orders placed by 2:00 pm Central Time, Monday through Friday, ship the same business day. Orders placed later ship the next business day. Most orders arrive 1–3 business days after they ship. Allow up to 5 business days for rural addresses. Shipping details

Customer reviews

No reviews yet. Be the first to review the Jandy Natural Gas Pool Heater 400K BTU LXI400N.

Write a review

Why shop at Pool Express?

With free shipping, a 30-day trial, and low price guarantee, we're proud to be one of the largest online retailers of all the top pool brands.

Free Shipping

Free shipping on every order to the contiguous United States. Estimated delivery: 1–5 business days after you order.

30-Day Trial

Try it in your pool for 30 days. If it is not right for you, return it within 30 days of delivery for a full refund of the purchase price.

Low Price Guarantee

Find an identical, in-stock item advertised for less by an authorized U.S. dealer and we match the price before you buy.

Pool Pros on the phone

Talk to our in-house pool professionals before and after the sale: 512-961-3881, Monday–Friday, 8:00 am–5:30 pm Central Time.