The ADAPT™ 180 MBH Indoor/Outdoor Natural Gas Tankless Water Heater with X3® Scale Prevention delivers efficient, on-demand hot water with ENERGY STAR® certification and a 0.103 UEF. Its X3® Scale Prevention eliminates annual descaling and maintains like-new performance longer. The built-in control display allows easy monitoring, while the integrated recirculation pump ensures instant hot water when needed.

Designed for flexibility, it converts from natural gas to liquid propane with the included kit and can cascade up to 12 units for larger applications. The front panel controls simplify recirculation scheduling, reducing wait times. Whether installed indoors or outdoors, this unit delivers reliable, energy-efficient performance with minimal maintenance.

Features

• Energy Star Qualified
• ENERGY STAR® certified with a Uniform Energy Factor of 0.103
• No annual descaling required
• No conditioning period required when using new copper pipe
• Maintains like-new performance longer
• Approved to work with the integrated recirculation pump
• Cascade up to 12 like heaters together for larger applications requiring multiple water heaters to work in conjunction, cable included
• Field convertible from Natural Gas to Liquid Propane, kit included
• Features a built-in Control Display for checking heater status and error codes and for setting and reviewing up to two recirculating schedules
• Front panel controls make it simple to set your recirculation pump operation so you now that you will have hot water at your faucet

Warranty

This unit comes with a 15-year limited warranty on the heat exchanger when used in residential application. It also comes with a 5-year limited warranty on all parts.