Tankless Non-Condensing Ultra-Low NOx Spec Sheet (AOSBG45100)
The ATI-110U has been discontinued since February 21, 2019 (Source: https://www.supplyhouse.com/AO-Smith-ATI-110U-200-ATI-110U-AO-Smith-Tankless-Water-Heater-Natural-Gas)
Tankless Non-Condensing Ultra-Low NOx Spec Sheet (AOSBG45100)