Rheem-Ruud Commercial Water Heaters' (Montgomery, AL) new "bantam weight" gas water heaters are designed for small office and light commercial buildings. Features include a 3-in. vent hood opening, a 180 degrees F thermostat, installed temperature and pressure relief valves, and a heavy-duty anode rod. Available models range from 30-, 40-, and 50-gal capacities and 34,000 to 40,000 Btuh, in low NOx and LP.