🎉 Up to 70% Off Selected ItemsShop Sale
HomeStore

Jandy JXI400N. Natural Gas Heater 400,000 BTU.

Jandy JXI400N. Natural Gas Heater 400,000 BTU.

JXI Pool Heater 400 BTU Natural Gas:

The JXi™ heater sets the standard in pool and spa heating with its ultra-compact size, lightweight design and durable construction that protects against rodents. Boasting an 84% thermal efficiency rating* and a low-NOx design, the JXi is available in both natural and propane gas models.

An ideal heater for any circumstance, new build or as a drop-in replacement, the JXi is easy to install with ample plumbing flexibility to accommodate a quick swap for Mastertemp® and Max-E Therm® with no unnecessary adjustments.

The JXi also features advanced automation compatibility with AquaLink® systems and iAquaLink® control, for anytime, anywhere convenience—making it a top choice for pool professionals and pool owners everywhere.

Energy-Efficient Heating:

84% thermal efficiency rating and low-NOx design suppresses struct DOE Energy Efficiency requirements.

Automation Ready:

Compatible with AquaLink automation system for anytime, anywhere control from your mobile device using the iAquaLink app.

Ultra-Compact Lightweight Desing:

Easy to store, transport, and install, JXi easily fits on a 2'x2' pad and is 38% lighter with a 28% smaller footprint. Compared to major competitor models.

Best Retrofit Option:

Plumbing flexibility for quick Mastertemp and Max-E-Therm replacement that requires no plumbing adjustments.

$1,259.65

Original: $3,599.00

-65%
Jandy JXI400N. Natural Gas Heater 400,000 BTU.

$3,599.00

$1,259.65
Product image 1
Product image 2
Product image 3
Product image 4

Description

JXI Pool Heater 400 BTU Natural Gas:

The JXi™ heater sets the standard in pool and spa heating with its ultra-compact size, lightweight design and durable construction that protects against rodents. Boasting an 84% thermal efficiency rating* and a low-NOx design, the JXi is available in both natural and propane gas models.

An ideal heater for any circumstance, new build or as a drop-in replacement, the JXi is easy to install with ample plumbing flexibility to accommodate a quick swap for Mastertemp® and Max-E Therm® with no unnecessary adjustments.

The JXi also features advanced automation compatibility with AquaLink® systems and iAquaLink® control, for anytime, anywhere convenience—making it a top choice for pool professionals and pool owners everywhere.

Energy-Efficient Heating:

84% thermal efficiency rating and low-NOx design suppresses struct DOE Energy Efficiency requirements.

Automation Ready:

Compatible with AquaLink automation system for anytime, anywhere control from your mobile device using the iAquaLink app.

Ultra-Compact Lightweight Desing:

Easy to store, transport, and install, JXi easily fits on a 2'x2' pad and is 38% lighter with a 28% smaller footprint. Compared to major competitor models.

Best Retrofit Option:

Plumbing flexibility for quick Mastertemp and Max-E-Therm replacement that requires no plumbing adjustments.

You may also like

-65%NEW
Thumbnail 1

Pentair | SR400NA | Sta-RiteMax-E-Therm 400 Natural Gas Pool and Spa Heater. High Performance.

$4,199.00

$1,469.65

-65%NEW
Thumbnail 1Thumbnail 2

Pentair | 461113 | ETi 400 High-Efficiency Pool Heater – 400,000 BTU, Natural Gas, Titanium Heat Exchanger

$9,499.00

$3,324.65

-65%NEW
Thumbnail 1

Pentair HD MasterTemp 250HD Natural Gas Pool Heater – 250K BTU, Cupro Nickel, Low NOx Emissions. 460806

$3,399.00

$1,189.65

-65%NEW
Thumbnail 1

Pentair | 460732 | 250K BTU MasterTemp High Performance Natural Gas Pool and Spa Heater.

$3,137.00

$1,097.95

-65%NEW
Thumbnail 1

Pentair | SR200NA | Max-E-Therm 200 Natural Gas Pool & Spa Heater | 200,000 BTU

$3,299.00

$1,154.65

-65%NEW
Thumbnail 1

Raypak | 018045 | P-R404A-EN-N | 0-10000 | Avia Natural Gas Pool Heater – 400K BTU, NiTek Heat Exchanger, Built-In Wi-Fi

$4,780.00

$1,673.00

NEW
Thumbnail 1

Raypak | 014784 | Digital Natural Gas Pool Heater – 156K BTU, Electronic Ignition

$2,499.00

-65%NEW
Thumbnail 1

Raypak | 017402 | B-R406A-EN-X #50 ASME | Digital Natural Gas Pool Heater | Elevation 0-1999 Feet | 406K BTU, Bronze Headers, Cupro-Nickel

$5,596.00

$1,958.60

-65%NEW
Thumbnail 1Thumbnail 2

Raypak | 017399 | ASME Natural Gas Pool Heater | Elevation 0-1999 | – 206K BTU, Digital, Nickel Heat Exchanger, Cast Headers

$4,165.00

$1,457.75

-65%NEW
Thumbnail 1

Raypak | 017374 | B-R406A-EN-C #50 | ASME | Digital Natural Gas Pool Heater – 406K BTU, ASME Certified, Bronze Headers

$5,002.00

$1,750.70

-65%NEW
Thumbnail 1

Raypak | 013731 | ASME Professional Natural Gas Pool Heater – 406K BTU, Commercial-Grade B-R408-EN-X

$7,130.00

$2,495.50