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New Products

A. O. Smith Adapt+ Premium condensing gas tankless water heaters

This line of residential tankless water heaters include indoor and outdoor installations.

An Adapt+ condensing gas tankless water heater.
Image Courtesy of A. O. Smith
August 11, 2025

A. O. Smith’s Adapt+ Premium Condensing Gas Tankless Water Heaters is a family of residential tankless water heaters. With universal indoor and outdoor installation, two- and three-inch dual pipe venting, ½ inch and ¾ inch gas lines and an indoor/outdoor power cord, the Adapt+ tankless water heater brings flexibility in tankless water heating. The unit can be converted in the field from NG to LP with the included kit.

The unit’s single stainless steel, heavy-duty heat exchanger design is paired with A. O. Smith’s unique X3 Scale Prevention Technology to ensure it’s resilient to scale build-up and corrosion. The Adapt+ unit operates at high efficiency thanks to a 22:1 turndown rate and a UEF of 0.95, qualifying users for rebates. 

For more information, visit https://www.hotwater.com/info-center/adapt-premium-tankless-water-heaters.html

KEYWORDS: A. O. Smith gas water heater new products tankless heat pump water heater

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