State GPHE-50 1**
- Gas storage water heater
- 1 listed model
This model is not in the current certification listing as of Oct 26, 2026. It was last listed on Oct 2, 2026.
Its figures are also listed under A. O. Smith GPHE-50 1**.
Certified figures
- Storage volume
- 48gallons
- UEF
- 0.88Uniform energy factor
- First-hour rating
- 119gallonsHot water in the first hour
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Change your hourProduct history
State GPHE-50 1** left the DOE listing between Oct 2, 2026 and Oct 17, 2026.
State GPHE-50 1** was in the DOE listing by Oct 2, 2026.
State GPHE-50 1** has a recorded ENERGY STAR market-availability date of Mar 12, 2017. It was in the ENERGY STAR list by Aug 11, 2023.
Advertised and certified figures
| Figure | Advertised | Certified | Advertiser | Read |
|---|---|---|---|---|
| Size | 50 gal, nominal size | 48 gal storage volume | State | Read Oct 5, 2026 |
| Size | 48 gal | 48 gal storage volume | State | Read Oct 5, 2026 |
| UEF | 0.88 | 0.88 | State | Read Oct 5, 2026 |
| First-hour rating | 124 gal | 119 gal | State | Read Oct 5, 2026 |
| First-hour rating | 119 gal | 119 gal | State | Read Oct 5, 2026 |
Certified figures by listed model
| Model number | Storage volume (gal) | UEF | First-hour rating (gal) | Recovery efficiency | Draw pattern |
|---|---|---|---|---|---|
| GP6-50-YTVIT 1** | 48 | 0.88 | 119 | 93% | — |
UEF is the uniform energy factor. A dash means the model has no such figure.
ENERGY STAR certified models
| Model number | Storage volume (gal) | UEF | First-hour rating (gal) | Recovery efficiency |
|---|---|---|---|---|
| GP6-50-YTVIT 1** | 48 | 0.88 | 119 | 93% |
It holds 48 gallons in the test, 2 gallons less than its 50-gallon sold size. It delivers 119 gallons of hot water in the test's first hour. That is 71 gallons more than its tank holds, since it reheats during the hour.
The single model number sold under it is ENERGY STAR certified. In the test, 12% of its energy does not reach the hot water (UEF 0.88). When it reheats water in the test, 93% of the energy it uses ends up in the water.
Its test figures match those of 5 other basic models. Of those, one or more are under the American, GSW WATER HEATERS, and RELIANCE WATER HEATERS brands. You can find the whole group on the page for the A. O. Smith GPHE-50 1**.
In 3 states, 3 rebate programs may accept it. It may qualify for one more if it meets terms its figures do not show.
Also listed as
They carry every figure in the table above.
Rebates
| Program | State | Status | Program page |
|---|---|---|---|
| Colorado Springs Utilities Water heater rebate (gas storage, gas tankless) | CO | May qualify | Its own page |
| Nicor Gas Energy Efficiency Rebates for Your Home (gas storage) | IL | May qualify if it meets the other terms | Its own page |
| DTE Energy Water Heaters (gas storage, gas tankless) | MI | May qualify | Its own page |
| Avista Home and small commercial: HVAC and water heating incentives (gas storage) | WA | May qualify | Its own page |
Programs change their terms. Check the program's own page before you buy.
Not covered
- Changes to an advertised figure after the date beside it.