STATE GCRT-50 4**

The 277 therms figure is computed by this site, not taken from the registry. 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 0.61, from DOE CCD data retrieved 2026-09-19. The high pattern describes a larger household, or one where showers and laundry overlap. If a home draws a different amount of hot water than the test assumes, its actual gas use may differ from 277 therms. The data does not say by how much. The steps are set out in how the annual cost is calculated.

This unit is compared with the 414 models registered as a gas tank at the high draw pattern. Its rank of 400th places it in the highest quarter of its class for energy use. The tank's first hour rating, the gallons of hot water available in the first hour from a full tank, is 89 gallons. Its rated volume is 48 gallons. These figures describe the tested capacity. They do not show how the unit fits a particular home, and that fit is not available in the data. A household smaller than the high pattern describes falls outside the condition behind 277 therms. To compare other units in this class, you can find a same-class replacement by model number.

The running cost is not given in this text. It depends on your state's average residential gas price, so the page computes it from your ZIP. The input is the same 277 therms at the high draw pattern, applied to that local rate. Because of the gap above the class median noted earlier, this unit's yearly cost at any single rate is higher than a median unit's. The size of that cost gap depends on the local price and is not available here. To see it on your own rate, use the cost calculator on your own ZIP. The installed price range on this page is shown in its own block as a modeled range, not a quote.