The ARMOR condensing water heater line is available in 10 models, ranging from 399,000 to 4 million Btu/h. These models are constructed with superior-grade 316L stainless steel, which reduces heat loss and provides up to 99% thermal efficiency and reliability for large commercial applications, the company says.
Product Focus: Tank & Tankless
Lochinvar condensing water heater
![Lochinvar condensing water heater](http://www.pmmag.com/ext/resources/Issues/2022/09-September/prod07-PM0922_Products_Lochinvar-780.jpg?1662667902)