JXI POOL HEATER 400K BTU NATURAL GAS - JXI400NK

SKU: JXI400NK
Regular price $3,677.98

The Jandy JXI400NK 400,000 BTU Natural Gas Pool Heater with VersaFlo Integrated Bypass delivers the professional-grade performance pool contractors need for commercial and residential installations. This high-efficiency heater combines advanced combustion technology with reliable operation, making it the preferred choice for pool construction and service companies nationwide.

Commercial Installation Benefits

Engineered for contractor efficiency, the JXI400NK features the VersaFlo Integrated Bypass system that simplifies installation and reduces labor costs. The digital display provides precise temperature control, while the low-NOx technology meets strict environmental regulations for commercial projects. With 84% thermal efficiency and 30-100 GPM flow rate capability, this heater handles demanding applications while minimizing operating costs for your clients.

Why Pool Contractors Choose MT Pools

MT Pools understands the demands of professional pool installation and service. Our superior customer service includes technical support from experienced professionals who know the challenges contractors face. With reliable inventory and wholesale pricing that protects your margins, we're your trusted B2B partner for high-value equipment orders.

Frequently Asked Questions

What's the difference between JXI400NK and the newer JXiQ400NK model?

The JXI400NK has been upgraded to the JXiQ400NK with enhanced features, but both offer the same 400K BTU capacity and VersaFlo bypass system that contractors rely on.

Does this heater meet commercial emission standards?

Yes, the JXI400NK features low-NOx technology that meets strict environmental regulations for commercial pool installations nationwide.

What warranty coverage does MT Pools provide?

The JXI400NK includes 1-year limited factory warranty plus 5-year heat exchanger warranty when equipped with VersaFlo bypass, backed by MT Pools' superior customer service.

Is professional installation required for this heater?

Yes, professional installation by qualified contractors is required following NEC/CEC codes with proper bonding and GFCI protection for warranty coverage.

Order Today

Join thousands of pool contractors who trust MT Pools for their commercial heating equipment needs. Our team provides expert technical guidance and fast shipping to keep your projects on schedule and profitable.

• 400,000 BTU heating capacity for large pools and spas
• Natural gas fuel with 84% thermal efficiency rating
• VersaFlo Integrated Bypass system for enhanced water flow control
• Advanced combustion and heat transfer technology
• Digital display for precise temperature regulation
• Low-NOx technology meets environmental regulations
• 30-100 GPM flow rate range for versatile applications
• Stainless steel header and copper heat exchanger construction
• Suitable for high elevation installations
• 240 VAC factory wired, convertible to 120 VAC
• Compact dimensions: 22.1"D x 26.5"H x 22.9"W, 117 lbs
• Includes Versa Plumb® Sweep Elbow and universal union fittings
• 1-year limited factory warranty plus 5-year heat exchanger warranty
• Professional installation required per NEC/CEC codes
• Bonding and GFCI protection required for safety compliance