Jandy JXiQ Natural Gas Heater, VersaFlo, 400K BTU, Copper Exchanger | JXIQ400NK
Product Overview
The Jandy JXiQ Natural Gas Heater with VersaFlo | JXIQ400NK is a high-performance 400K BTU pool and spa heater designed for fast, efficient heating and modern equipment-pad performance. Built with a copper heat exchanger and VersaFlo bypass technology, this model is designed to help deliver reliable heating while supporting efficient water flow through compatible pool systems.
This is a strong choice for customers who need a 400K BTU natural gas heater for a compatible residential pool or pool/spa combination and want a modern Jandy heating platform.
Ideal For
- Large residential in-ground pools
- Pool and spa combination systems
- Natural gas equipment pad installations
- Customers replacing a compatible 400K BTU natural gas heater
- Pool owners who want Jandy heater performance with VersaFlo technology
Key Features
- 400K BTU heating capacity for strong pool and spa heating performance
- Natural gas configuration for compatible fuel setups
- VersaFlo technology designed to support efficient water flow
- Copper heat exchanger configuration
- Modern Jandy JXiQ heater platform for compatible pool systems
Benefits
- Helps heat large pools and pool/spa combinations quickly
- Supports efficient operation when properly sized and installed
- Clear model and fuel identification helps reduce ordering mistakes
- Strong option for customers already using Jandy pool equipment
- Professional-grade heater platform for demanding residential applications
Specifications
| Brand | Jandy |
| Product Line | JXiQ |
| Model / Part Number | JXIQ400NK |
| Product Type | Pool & Spa Heater |
| Fuel Type | Natural Gas |
| Heating Capacity | 400K BTU |
| Bypass Feature | VersaFlo |
| Heat Exchanger | Copper |
| Application | Residential pool and spa heating |
| SKU | JXIQ400NK |
Compatibility Notes
This listing is for Jandy model JXIQ400NK, a 400K BTU natural gas heater with VersaFlo and copper exchanger. Before ordering, confirm fuel type, BTU requirements, gas supply, plumbing layout, electrical requirements, venting needs, automation compatibility, and local code requirements.
This natural gas model is not a propane heater. Match fuel type and specifications carefully before purchase.
What’s Included
- Jandy JXiQ Natural Gas Heater with VersaFlo | JXIQ400NK
- Manufacturer documentation, when provided by the manufacturer
Professional Installation Notice
Professional installation is strongly recommended for gas pool heaters. Installation should be performed by a qualified professional according to Jandy instructions, local building codes, gas requirements, electrical requirements, and all applicable safety standards.
Warranty coverage and product support may depend on proper installation and documentation. Confirm installation and warranty requirements before purchase.
Customer-Facing Q&A
Q: What model number is this heater?
A: This listing is for Jandy model JXIQ400NK.
Q: Is this natural gas or propane?
A: This model is natural gas.
Q: What is the BTU rating?
A: This heater is rated at 400K BTU.
Q: What heat exchanger does this model use?
A: This listing is for the copper heat exchanger version.
Q: Should this be professionally installed?
A: Yes. Professional installation is strongly recommended for safe operation, proper performance, and warranty compliance.