State GPVX-50L 2**

Sold as 50 gallons, it holds 50 gallons in the test. Over one hour from a full tank, it gave 119 gallons in the test (its first-hour rating). Reheating lets it give 69 gallons beyond the 50 gallons in its tank. Among 763 gas storage models, 32 have a higher first-hour rating. The median gas storage model gives 78 gallons in its first hour.

As of Oct 26, 2026, it was not listed as ENERGY STAR certified. In tests, 73% of the energy it uses ends up as hot water (UEF 0.73). Its test simulated a day of high hot water use (its draw pattern). Of 434 gas storage models with the same draw pattern, 54 have a higher UEF. For its type and draw pattern, the median UEF is 0.66. When it reheats water in the test, 82% of the energy it uses ends up in the water.

It is sold as GS6-50-HRVHSL 2*1 and GS6-50-YRVHSL 2**. All of its test figures are shared by 5 other basic models. They are listed under 5 other brands, one each. For the full group, see the A. O. Smith GPVX-50L 2**.

It may qualify for 2 rebate programs in 2 states.