Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3)
Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) is a gas storage water heater from Ruud with a 75 gallon rated tank and a 199 gallon first-hour rating at a 0.88 UEF.
| Uniform Energy Factor (UEF) | 0.88 |
|---|---|
| Annual gas use (natural gas) | 192 therms/yr |
| Recovery efficiency | 95 % |
| Annual propane use | 209.83 gal/yr |
| Fuel | Propane |
|---|
| First-hour rating | 199 gal |
|---|---|
| Rated storage volume | 75 gal |
| Draw pattern | High |
| Gas input rate | 100 kBTU/h |
|---|
| Max current draw | 7 A |
|---|---|
| Vent type | Power Vent, Power Direct Vent |
| Vent size | 2 / 3 |
| Smart / connected capable | No |
|---|
| Height | 64.5 in |
|---|---|
| Diameter | 26.3 in |
| ENERGY STAR certified | Yes |
|---|
Capacity and running cost
- Its 199 gallon first-hour rating suits a household of 5+ people under DOE sizing guidance.
- Rated for a high-usage draw pattern under the DOE test procedure.
- Estimated running cost: about $567/year at national average gas rates.
Similar water heaters
- A. O. Smith GDHE-50 3 50-Gallon (UEF 0.88)
- A. O. Smith GPHE-50 1 50-Gallon (UEF 0.88)
- A. O. Smith HDHE-50 4 50-Gallon (UEF 0.88)
- American VG6250T100-V 3 50-Gallon (UEF 0.88)
- American VG6250T76NV 1 50-Gallon (UEF 0.88)
- American VG8250T100-V 50-Gallon (UEF 0.88)
Frequently asked questions
Is the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) ENERGY STAR certified?
Yes, the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) holds a current ENERGY STAR certification for water heating efficiency (UEF 0.88).
How much does the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) cost to run per year?
About $567 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.
What venting does the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) use?
The Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) uses Power Vent, Power Direct Vent venting with 2 / 3 in vent connections. Matching the existing vent type is usually the cheapest replacement path.
Is the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) a smart water heater?
No, the Ruud Gas Storage 80-Gallon (PROUG75-100P RU HE EC3) is not connected-capable — it has no app connectivity or demand-response support.
Sources
- data.energystar.gov (retrieved 2026-07-17)