Lochinvar expands its commercial condensing water-heater family with the most powerful ARMOR models yet. The new models, available for indoor or outdoor construction, range from 1.25 to 4 million Btu/h, and offer 98% thermal efficiency, the company notes. The stainless steel heat exchanger is heavier, more robust and offers easy access to the combustion system. The advanced 316L water-tube design enhances flow, delivering market-leading performance and reliability for large commercial applications, Lochinvar adds. The models come standard withCON•X•US, Lochinvar’s remote connectivity platform that allows commercial facility managers and building owners to monitor and adjust equipment controls from a mobile app available on most smart devices.