STATE GUC-50 4**
0.61 UEF DOE CCD · 2026-09-19Grade G: where this UEF sits among the 414 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set
A gas tank, high draw pattern (a larger household, or one where showers and laundry overlap).
The STATE GUC-50 4** is a gas tank water heater tested at the high draw pattern, the standard daily hot-water usage DOE tests against. If you are checking its energy figure, it uses 277 therms of natural gas a year at that draw. That is 17 therms above the 260 therms median for its class.
Energy use per year
277 therms a year
Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the natural gas rate where you live.
That is above the median of 260 therms for the 414 models registered in the same heater type and draw pattern; it ranks 400 of 414, lowest energy first.
Solid line: this model (277 therms). Dashed line: the class median.
Min 188 therms Median 260 therms Max 277 therms
What it costs to run where you live
What the registry files
- UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
- 0.61 DOE CCD · 2026-09-19 Compared only with other models registered as a gas tank at the high draw pattern.
- Draw Pattern the standard daily usage profile DOE tests the unit against
- High DOE CCD · 2026-09-19
- First Hour Rating how many gallons of hot water the unit can deliver in one hour, starting from a full tank
- 84 gal DOE CCD · 2026-09-19
- Rated Storage Volume the tank size in gallons
- 48 gal DOE CCD · 2026-09-19
What it costs to install
$1,615–$2,681 installed
Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.
Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.
NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01Safety record
No CPSC recall names this model.
Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.
CPSC · 2026-09-24What these figures mean
How this compares
The closest models in the same class — same fuel, type and draw pattern.
Keep going
How every figure on this page is calculated
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Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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Is a 50-gallon water heater enough?
Answered from what models in this size actually file.
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Water heaters
Every model on file with the Department of Energy, by heater type.
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Gas-fired storage tanks, every size and draw pattern on file.
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Every STATE model on file
What this brand files, by heater type.
UEF 0.61 · Grade G Price it on your ZIP
This site calculated the 277 therms figure; it does not come from the registry. It uses the registry's UEF, the ratio of hot water delivered to energy used, and the daily hot-water draw in the DOE test for the high draw pattern. This model's UEF is 0.61, from DOE CCD data retrieved 2026-09-19. Among the 414 gas tank models registered at the high draw pattern, it ranks 400th lowest in energy use. That rank matches the gap to the class median shown above. The figure applies only at the daily draw used in the federal test. A household that uses more or less hot water will use a different amount of gas, and this page cannot state that amount. The page on how the annual cost is calculated sets out each step.
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 84 gallons. Its rated volume is 48 gallons. Together with the 277 therms figure, these ratings describe the hot-water demand behind this model's test result. For a home that uses less hot water each day, the test condition does not match. The annual figure then does not describe that home's use directly. The registry data here does not give the model's energy use at any other draw pattern, so that is not available. To see gas tank models side by side, use the water heater selector by fuel, space and size.
Running cost does not appear in this text because it depends on your state's average residential gas price. The page calculates it from your ZIP, using the 277 therms figure at the high draw pattern. The cost calculator for your own ZIP shows that result. A different gas rate changes the cost, but it does not change the 277 therms figure, which comes from the test condition. The installed price range appears in its own block with its source and date. It is a modeled range, not a quote. If you are matching a unit already in place, find a same-class replacement by model number. That page lists gas tank models at the high draw pattern, each ranked among the 414 in this class.
DOE CCD · 2026-09-19