HTP Phoenix 50-Gallon
HTP Phoenix 50-Gallon is a gas storage water heater from HTP with a 53 gallon rated tank and a 187 gallon first-hour rating at a 0.89 UEF.
| Uniform Energy Factor (UEF) | 0.89 |
|---|---|
| Annual gas use (natural gas) | 190 therms/yr |
| Recovery efficiency | 99 % |
| Annual propane use | 207.65 gal/yr |
| Fuel | Natural Gas, Propane |
|---|
| First-hour rating | 187 gal |
|---|---|
| Rated storage volume | 53 gal |
| Draw pattern | High |
| Gas input rate | 100 kBTU/h |
|---|
| Max current draw | 1 A |
|---|---|
| Vent type | Power Direct Vent |
| Vent size | 3 |
| Smart / connected capable | No |
|---|
| Height | 52 in |
|---|---|
| Diameter | 23 in |
| ENERGY STAR certified | Yes |
|---|
Capacity and running cost
- Its 187 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 $276/year at national average gas rates.
Similar water heaters
- Friedrich Gas Storage 50-Gallon (12PROG 50-100P FD HE EC3) (UEF 0.89)
- Friedrich Gas Storage 50-Gallon (12PROG 50-100U FD HE EC3) (UEF 0.89)
- Friedrich Gas Storage 50-Gallon (12PROG 50-76P FD HE EC3) (UEF 0.89)
- Friedrich Gas Storage 50-Gallon (12PROG 50-76U FD HE EC3) (UEF 0.89)
- Rheem Gas Storage 50-Gallon (ECE G50-100U CN HE EC3) (UEF 0.89)
- Rheem Gas Storage 50-Gallon (ECE G50-76U CN HE EC3) (UEF 0.89)
Frequently asked questions
Is the HTP Phoenix 50-Gallon ENERGY STAR certified?
Yes, the HTP Phoenix 50-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 0.89).
How much does the HTP Phoenix 50-Gallon cost to run per year?
About $276 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 HTP Phoenix 50-Gallon use?
The HTP Phoenix 50-Gallon uses Power Direct Vent venting with 3 in vent connections. Matching the existing vent type is usually the cheapest replacement path.
Is the HTP Phoenix 50-Gallon a smart water heater?
No, the HTP Phoenix 50-Gallon is not connected-capable — it has no app connectivity or demand-response support.
Sources
- data.energystar.gov (retrieved 2026-07-17)