State GP6-40-*RPCSL 1**
State GP6-40-*RPCSL 1** is in the ENERGY STAR list as of Oct 26, 2026.
- Gas storage water heater
- 1 listed model
No certified figures were found under this model number. Units made for another brand are often certified under that brand's basic model.
Its figures are also listed under A. O. Smith GPCT-40L 1**.
Certified figures
- Storage volume
- 38gallons
- UEF
- 0.90Uniform energy factor
- First-hour rating
- 86gallonsHot water in the first hour
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| Model number | Storage volume (gal) | UEF | First-hour rating (gal) | Recovery efficiency |
|---|---|---|---|---|
| GP6-40-*RPCSL 1** | 38 | 0.90 | 86 | 91% |
It holds 38 gallons in the test, 2 gallons less than its 40-gallon sold size. It delivers 86 gallons of hot water in the test's first hour. Its tank holds 38 gallons, so reheating adds 48 gallons during the first hour. Of 763 gas storage models, 162 give more hot water in the first hour. Among gas storage models, the median first-hour rating is 78 gallons.
It is ENERGY STAR certified under its single model number. In tests, 90% of the energy went to hot water, so its UEF is 0.90. Its test ran at the high level of daily hot water use. Among 434 gas storage models with its draw pattern, none reaches a higher UEF than this one. For its type and draw pattern, the UEF runs from 0.61 to 0.90. When it reheats water in the test, 91% of the energy it uses ends up in the water.
All of its test figures are shared by 11 other basic models. Between them, those basic models carry 7 other brand names. For the full group, see the A. O. Smith GPCT-40L 1**.
It may qualify for 4 rebate programs. 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.
- A. O. Smith GPCT-40L 1**
- A. O. Smith GC6-PS4050*V 1**
- American GPCT-40L 1**
- American PCG62-40S50L 1**
- Envirosense GPCT-40L 1**
- Envirosense Enercare GPCT-40L 1**
- Envirosense Reliance Home Comfort GPCT-40L 1**
- Lochinvar GPCT-40L 1**
- RELIANCE WATER HEATERS 6-40-*RPCS 1**
- RELIANCE WATER HEATERS GPCT-40L 1**
- State GPCT-40L 1**
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 |
| Xcel Energy MINNESOTA RESIDENTIAL ENERGY EFFICIENCY PROGRAMS (gas storage, gas tankless) | MN | 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.
- Every State basic model
- Every 40-gallon gas storage water heater
- Every gas storage water heater
- The most-searched gas storage models side by side
Not covered
- Advertised figures. We have none on file for this model.