STATE GPDT-50 3**

This site calculated the 235 therms figure; the registry does not publish it. It combines the registry's UEF, the ratio of hot water delivered to energy used, with the DOE test's daily hot-water draw for the high draw pattern. For this model the UEF is 0.72. The yearly figure applies only at that test draw. A household that draws more or less hot water each day will use a different amount of gas, and this page has no figure for that case. The registry data comes from DOE's Compliance Certification Database (CCD), retrieved on 2026-09-19. The steps behind the yearly figure are set out in how the annual energy and running cost are calculated.

The high draw pattern describes a larger household, or one where showers and laundry overlap. This model's first hour rating, the gallons of hot water available in the first hour from a full tank, is 79 gallons. Its rated volume is 48 gallons. The comparison group is the 414 models registered as a gas tank at the high draw pattern. In that group, this model ranks 50th lowest for energy use, which puts it in the lowest quarter of its class. The rank covers energy use at the test draw only and does not compare any other feature. To check another model in the same class, use the same-class replacement search by model number.

For a household whose daily use is closer to a smaller draw pattern, the 235 therms figure does not describe its gas use. The registry data on this page covers no other draw pattern for this model. The running cost is not written here because it depends on your state's average residential gas price. The page applies that price, looked up from your ZIP, to the 235 therms yearly figure. The 25 therms gap below the class median carries into cost the same way, so its value also depends on your rate. You can repeat the calculation in the running-cost calculator for your own ZIP. The installed price range sits in its own block on this page, with its source and date. It is a modeled range, not a quote.