Jandy
Jandy JXi Natural Gas Heater 400,000 BTU with VersaFlo Integrated Bypass-JXI400NK
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 # JXI400NK
The Jandy JXi400NK has been replaced by the newer, advanced Jandy JXiQ400NK model. Please see the latest model, featuring innovative technologies and enhanced performance, at: https://poolsupplyexpress.com/gas-heaters/jandy-jxi-natural-gas-heater-400-000-btu-with-versaflo-integrated-bypass-jxq400nk-newest-model/
Please note: All orders placed for the previous JXi400NK model will automatically receive the upgraded JXiQ400NK model, ensuring you benefit from the latest enhancements and technology.
Product: Jandy JXi Natural Gas Heater 400,000 BTU with VersaFlo Integrated Bypass | JXI400NK
Description: The Jandy JXi Natural Gas Heater with VersaFlo Integrated Bypass, offering an impressive 400,000 BTU capacity, is an exceptional heating solution designed to efficiently regulate the temperature of your pool or spa. Crafted with advanced technology and an integrated bypass system, this heater ensures rapid heating and precise temperature control, enhancing your overall aquatic experience.
Key Features:
- High Heating Power: With a robust 400,000 BTU capacity, the Jandy JXi Natural Gas Heater delivers powerful and swift heating, quickly achieving your desired temperature for your pool or spa.
- Integrated Bypass System: The VersaFlo Integrated Bypass system allows for enhanced water flow control, optimizing efficiency and heating performance while maintaining precise temperature regulation.
- Natural Gas Efficiency: Engineered to utilize natural gas as its fuel source, this heater offers efficiency in operation, contributing to energy conservation and reduced operational costs.
- Advanced Technology: Equipped with advanced technology, the JXi heater optimizes combustion and heat transfer to ensure superior efficiency and reliability.
- Digital Display: The heater incorporates an intuitive digital display, enabling you to effortlessly monitor and set the desired water temperature, ensuring precise control over your pool or spa environment.
- User-Friendly Interface: The heater features user-friendly controls and interface, simplifying its operation and making it accessible to users with varying technical knowledge.
Specifications:
- Product Code: JXI400NK
- Heating Capacity: 400,000 BTU
- Fuel Type: Natural Gas
- Integrated Bypass: VersaFlo Integrated Bypass system for enhanced water flow control
- Cutting-Edge Technology: Utilizes advanced technology for optimal combustion and heat transfer
- Temperature Control: Digital display and user-friendly interface for accurate temperature regulation
- Application: Suitable for pools and spas, delivering efficient and reliable heating performance
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.