The T-M50 tankless water heater uses two heavy-duty heat exchangers to produce up to 380,000 Btuh. Features include 80 percent thermal efficiency for both natural gas and liquid propane. The water heater starts heating water at 1/2 gallon per minute (gpm), but can produce hot water at a maximum flow rate of up to 14.5 gpm. Up to four units can be connected together without an additional control box, but 10 can be linked with a single main control system. The output temperature can be adjusted from 100° to 185°F. It can be used in large use applications like commercial water heating, hydronic systems, radiant floor heating, and combined domestic water and heating water systems, as well as in large homes.

Takagi, 5 Whatney, Irvine, CA 92618; 866-356-9190;

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