RELIANCE WATER HEATERS G6-UT3030NVR 5**
0.6 UEF DOE CCD · 2026-09-19Grade F: where this UEF sits among the 288 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set
A gas tank, medium draw pattern (a typical three- or four-person household, about 55 gallons on a busy morning).
The RELIANCE WATER HEATERS G6-UT3030NVR 5** gas tank water heater uses 185 therms of natural gas a year at the medium draw pattern, the standard daily hot-water usage DOE tests against. If you are checking that figure, it equals the class median of 185 therms. It ranks 89th lowest in energy use of 288 gas tank models.
Energy use per year
185 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 equal to the median of 185 therms for the 288 models registered in the same heater type and draw pattern; it ranks 89 of 288, lowest energy first.
Solid line: this model (185 therms). Dashed line: the class median.
Min 148 therms Median 185 therms Max 194 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
- 0.6 DOE CCD · 2026-09-19 Compared only with other models registered as a gas tank at the medium draw pattern.
- Draw Pattern the standard daily usage profile DOE tests the unit against
- Medium 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
- 67 gal DOE CCD · 2026-09-19
- Rated Storage Volume the tank size in gallons
- 29 gal DOE CCD · 2026-09-19
What it costs to install
Not published: Installed cost range
This model's rated tank size lies outside the range NLR REMDB's cost model was fitted on, and the range is not stretched past it.
The annual energy figure on this page does not depend on this range and is unaffected.
Safety 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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Find what replaces your water heater
Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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Find a water heater that fits
Three questions — fuel, hot water need, install space — narrow every model on file to the ones that fit.
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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 30-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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All gas tank water heaters
Gas-fired storage tanks, every size and draw pattern on file.
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Every RELIANCE WATER HEATERS model on file
What this brand files, by heater type.
UEF 0.6 · Grade F Price it on your ZIP
This site computed the 185 therms figure. The registry does not publish it. The figure 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 medium pattern. For this model the UEF is 0.6. The registry data comes from the DOE CCD, retrieved 2026-09-19. The result holds only at the federal test's daily draw, with natural gas as the fuel. The comparison group is only the 288 models registered as a gas tank at the medium draw pattern. Other heater types and other draw patterns are not in it. Its rank of 89th lowest puts this model in the second-lowest quarter of its class for energy use.
The figure fits a household whose daily use matches the medium draw pattern. The registry describes that pattern as a typical household on a busy morning. This model's first hour rating, the gallons of hot water available in the first hour from a full tank, is 67 gallons. Its rated volume is 29 gallons. A home that uses more or less hot water than the test assumes will not match the 185 therms figure. The data here does not say how far such a home would differ. If you are matching a unit that is already installed, you can find a same-class replacement by model number. To compare by fuel, space and size, use the water heater selector.
This text gives no running cost. The cost depends on your state's average residential gas price. The page works it out from your ZIP, applying that price to the 185 therms figure at the medium draw pattern. You can run the same numbers in the cost calculator for your own ZIP. The method behind the annual cost sets out each step. No installed price range is published for this model. Its ratings lie outside the range that the cost database's model was fitted on. This site does not stretch that range beyond the data it was fitted on. So the installed price for the RELIANCE WATER HEATERS G6-UT3030NVR 5** is unknown here.
DOE CCD · 2026-09-19