Sta-Rite Max E Therm HD 400K BTU Low NOX are the most unique heaters on the market. Made from a composite shell, the Max-E-Therm utilizes PMG combustion technology to produce the highest efficiency (85%) in its class, while keeping NOx emissions to a minimum. That means less time waiting for your pool or spa to warm up, and more time enjoying it.

The unit is compact and weighs less than 125 pounds, and has a rotating top, making it the installers choice. LED indicator lights and its 360 degrees of access to the internals make it extremely service friendly.

Features:

• Lightweight - lightest heater in its class
• Best in class energy efficiency
• Compact design - ideal for retro-fit installations
• Easy to switch - change gas sources with installation of separate orifice
• Environmentally friendly - all units are low NOx
• Rustproof housing - sleek, matte black enclosure is made of Dura-Glas® - an exclusive Sta-Rite® material that handles the heat and weathers the elements
• Lower operating costs - 84% efficiency rating - rated first in its class for highest energy efficiency
• Custom or retrofit - direct-connects to Sta-Rite® System:3® Mod Media filter or easily fits other systems
• Certified for outdoor and indoor installations

Specifications:

• BTUH Input : 400000
• Cabinet Depth : 31.69 Inch
• Cabinet Height : 30.03 Inch
• Cabinet Width : 25.15 Inch
• Control Type : Digital
• Flow Rate : 120 gpm
• Frequency Rating : 60 Hz
• Gas Type : Natural Gas
• Phase : 1-Phase
• Standards Approvals : CSA Certified, Eco-Select
• Tubing Material : Cupro-Nickel
• Voltage Rating : 120/240 VAC
• Water Connection : 2 Inch