Jandy JXIQ Pool Heater, 400, ASME, Natural Gas, CuNi Hx, Bronze Header- JXIQ400NS

Jandy JXIQ™ 400 ASME Natural Gas Pool & Spa Heater – CuNi Heat Exchanger, Bronze Header
Premium Commercial-Grade Performance | Ultra-Compact | Energy-Efficient

The Jandy JXIQ™ 400 ASME Pool & Spa Heater is the ultimate smart heating solution for commercial pools, spas, and high-demand residential applications. Designed for maximum performance, energy efficiency, and long-lasting durability, this ultra-compact gas heater is equipped with a Cupronickel heat exchanger and ASME-certified bronze headers to withstand the rigors of heavy, non-stop use.

With its SMART sensor technology, the JXIQ™ 400 automatically monitors performance, optimizes flow, and even estimates heating time—so your pool or spa is perfectly warm when you need it. Bluetooth® connectivity and complete self-diagnostic capabilities make servicing and monitoring fast, simple, and efficient.

Key Features & Benefits

• Commercial-Grade Durability – Built with 30% thicker-walled cupronickel heat exchanger tubes and corrosion-resistant bronze headers to endure harsh water conditions and high-use environments.

• ASME Certified – Meets strict commercial pool heater safety and durability standards.

• Energy-Efficient Heating – 84% thermal efficiency with low-NOX emissions to exceed DOE energy requirements.

• Low Gas Pressure Sensor – Ensures safe ignition by detecting adequate gas pressure before firing.

• Flow Optimization – Monitors temperature rise between inlet and outlet to protect the heat exchanger.

• Auto-Sensing Power Input – Automatically adapts to incoming power without rewiring or manual settings.

• Largest Display in the Industry – 50% larger digital display with 80-character readout for easy monitoring.

• Drop-In Replacement Ready – Plumbing configuration aligns perfectly for MasterTemp® or Max-E-Therm® replacements with no adjustments.

• Compact & Lightweight Design – Fits on a 2’ x 2’ pad and is 38% lighter with a 28% smaller footprint than traditional heaters.

• Rodent-Resistant Enclosure – Fully encased shell prevents critter damage to internal wiring.

• Service-Friendly Access – Removable, rotatable top and flip-up electrical panel for easy maintenance.

Specifications

Why Choose the Jandy JXIQ™ 400 ASME Pool & Spa Heater?
This heater combines industrial-grade strength, smart automation, and unmatched efficiency into a space-saving design perfect for hotels, gyms, apartment complexes, and luxury residences. From its rodent-proof housing to its drop-in plumbing compatibility, the JXIQ™ 400 is built to deliver reliable heating season after season.