With ultra-high performance and unprecedented space-saving installation flexibility, the S20W offers heating contractors multiple benefits for a variety of new installations as well as for retrofit projects, NTI Boilers states. Featuring an industrial size stainless-steel coil, and with its capability of 445 GPH first-hour recovery rate, the 20-gal. S20W exceeds most industry standard 50- and 65-gal. indirect tanks, the company notes.
Product Focus: Commercial Tankless Water Heaters
NTI Boilers indirect water heater
![NTI Boilers indirect water heater](http://www.pmengineer.com/ext/resources/Issues/2021/11-November/pme1121_Products_NTIBoiler-slide6.jpg?1636121162)