Pentair | SR400NA | Sta-RiteMax-E-Therm 400 Natural Gas Pool and Spa Heater. High Performance.

Upgrade your pool or spa with the Pentair SR400NA Sta-Rite Max-E-Therm 400,000 BTU Natural Gas Heater. Featuring 84% energy efficiency, smart connectivity, and low NOx emissions, this heater offers rapid heating, energy savings, and seamless integration with Pentair automation systems. Key Features: High Heating Capacity: Delivers 400,000 BTU for fast and effective pool and spa heating. Energy Efficient: Up to 84% thermal efficiency reduces fuel consumption and operating costs. Low NOx Emissions: Meets stringent environmental standards for reduced nitrogen oxide output. Smart Connectivity: Integrates with Pentair IntelliCenter Control System for remote management and real-time alerts. Digital Control: Full-text digital display with user-friendly menu and diagnostics for easy operation. Optional Smart Heater Bypass Valve: Diverts water flow when heating is not required, saving up to 35% annually on operational costs. Durable Construction: Rust-proof and corrosion-resistan