JANDY JXi ASME CUNI HEATER 400K BTU NAT - JXI400NS

SKU: JXI400NS
Regular price $4,032.51

The Jandy JXI400NS 400K BTU ASME Commercial Pool Heater delivers unmatched performance and efficiency for demanding commercial pool installations. This ASME-compliant heater features Low-NOx technology, 84% thermal efficiency, and an ultra-compact design that fits on a 2' x 2' pad while delivering professional-grade heating power.

Commercial Application Benefits

Engineered specifically for commercial applications, this heater reduces installation time with its 38% lighter weight and 28% smaller footprint compared to competitors. The cupronickel heat exchanger and bronze headers provide superior corrosion resistance, minimizing maintenance calls and protecting your service reputation. Compatible with AquaLink automation systems for remote control via iAquaLink app.

Why Pool Contractors Choose MT Pools

With our superior customer service and daily recurring customer support, you get more than just equipment – you get a trusted B2B partner. Our wholesale pricing structure supports your profit margins while our reliable inventory ensures your commercial projects stay on schedule with fast shipping nationwide.

Frequently Asked Questions

Can the JXI400NS replace existing Mastertemp and Max-E Therm heaters?

Yes, the JXI400NS offers flexible installation and can replace Mastertemp® and Max-E Therm® heaters without requiring plumbing changes, making retrofits seamless for contractors.

What are the efficiency ratings for this commercial heater?

The JXI400NS delivers 84% thermal efficiency with Low-NOx technology, surpassing strict DOE Energy Efficiency requirements for commercial pool applications.

What installation requirements does this ASME heater have?

Professional installation by qualified personnel per local and national codes is required. The unit features reversible plumbing connections and can be installed outdoors or indoors with proper venting.

Does MT Pools offer technical support for commercial installations?

Yes, MT Pools provides superior customer service with expert technical guidance and support for pool contractors throughout the installation and service process.

Order Today

Join thousands of pool contractors who rely on MT Pools for their commercial heating equipment needs. Our team is ready to support your success with expert technical guidance, competitive wholesale pricing, and fast shipping.

• 400K BTU (399K BTUH) natural gas input for commercial applications
• ASME compliant with bronze headers and cupronickel heat exchanger
• 84% thermal efficiency with Low-NOx technology
• Ultra-compact design: 38% lighter, 28% smaller footprint than competitors
• Fits on 2' x 2' pad - only 168 lbs total weight
• Flow rate: 30-100 GPM capacity range
• Advanced digital control system with direct ignition
• Compatible with AquaLink automation and iAquaLink app
• Reversible plumbing connections via top panel rotation
• 2-inch water manifold and coupling connections
• Category I: 8" vent diameter / Category III: 4" vent diameter
• CSA certified up to 4,500 ft altitude
• Replaces Mastertemp® and Max-E Therm® without plumbing changes
• Suitable for outdoor or indoor installation with venting
• Dimensions: 22.1" D x 24.9" W x 26.5" H (32.9" overall length)