Jandy
Jandy JXi Natural Gas Heater 400,000 BTU with VersaFlo Integrated Bypass JXIQ400NK Newest Model
Warranty coverage included.
Order now — estimated delivery in 2–5 business days
Typically ships within 1 business day — free, with tracking
Ships within 1 business day. Most orders arrive in 2–5 business days with tracking.
30-day returns. Unopened items returnable; damaged arrivals made right, fast.
Not sure this fits your setup?
Call 602-529-1901 — a real pool pro will confirm compatibility before you order.
Product overview
Jandy · Part # JXIQ400NK
Upgrade your pool heating experience with the advanced Jandy JXiQ400NK Natural Gas Pool Heater. Designed for optimal performance and effortless control, this 400,000 BTU heater is the perfect addition to your swimming pool or spa, delivering rapid heating with unmatched efficiency and reliability.
Featuring Jandy's cutting-edge VersaFlo Integrated Bypass technology, the JXiQ400NK ensures energy-efficient heating by automatically adjusting the flow for optimal performance, significantly reducing your operating costs. The durable, corrosion-resistant construction ensures longevity even in harsh pool environments, while its compact, lightweight design allows for easy installation and servicing.
With integrated automation compatibility through the iAquaLink system, controlling your pool’s temperature has never been simpler. Access and adjust settings from your smartphone, tablet, or web-enabled device from anywhere, providing unmatched convenience and control at your fingertips.
The innovative Q-model technology includes advanced SMART Sensors that continuously monitor performance, VersaFlo Integrated Bypass to optimize efficiency, auto-sensing dual voltage for hassle-free installation, and a low gas pressure sensor for enhanced safety. It also estimates heat-up time for better convenience, includes a sacrificial anode for enhanced durability, and offers an industry-leading digital interface with a 50% larger display, clearly presenting up to 80 characters of detailed information.
Key Features:
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400,000 BTU Natural Gas Heater
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VersaFlo Integrated Bypass for maximum efficiency
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Advanced SMART Sensors for optimal operation
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Auto-sensing dual voltage functionality
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Low gas pressure sensor for increased safety
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Estimated heat-up time display
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Sacrificial anode for enhanced durability
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Corrosion-resistant, lightweight design
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Compact footprint for flexible installation
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Smart connectivity via iAquaLink
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Environmentally friendly low NOx emissions
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User-friendly digital interface with large display
Enjoy consistently warm water, reduce energy bills, and simplify your pool heating with the Jandy JXiQ400NK—where innovation meets comfort.
Warranty, shipping & compatibility
This product is covered by our warranty. Professional installation is recommended for equipment items to ensure proper electrical setup, plumbing connection, and programming. Before ordering, confirm your voltage, plumbing size, and any automation requirements — or simply call us at 602-529-1901 and we'll verify the right model for your system.
Shipping is free nationwide on every order. In-stock items leave our dock within 1 business day and typically arrive within 2–5 business days; oversized equipment like heaters ships by freight carrier with delivery scheduling. Unopened products can be returned within 30 days — and if anything arrives damaged, we'll take care of it immediately.