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State PETX-50 1**

State PETX-50 1** is in the DOE listing as of Oct 19, 2026.

  • Electric storage water heater
  • 1 listed model

ENERGY STAR certification does not cover this type of water heater.

Its figures are also listed under A. O. Smith PETX-50 1**.

Storage volume
46gallons
UEF
0.92Uniform energy factor
First-hour rating
74gallonsHot water in the first hour
See it among every electric storage model

Advertised and certified figures

State PETX-50 1**: advertised and certified
State PETX-50 1**: advertised and certified Size: advertised 50 gal, certified 46 gal (advertised nominal size, certified storage volume). Size: advertised 46 gal, certified 46 gal (certified storage volume). UEF: advertised 0.92, certified 0.92. First-hour rating: advertised 74 gal, certified 74 gal. Size · advertised nominal size, certified storage volume Advertised 50 gal Certified 46 gal Size · certified storage volume Advertised 46 gal Certified 46 gal UEF Advertised 0.92 Certified 0.92 First-hour rating Advertised 74 gal Certified 74 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 50 gal, nominal size 46 gal storage volume State Read Oct 5, 2026
Size 46 gal 46 gal storage volume State Read Oct 5, 2026
UEF 0.92 0.92 State Read Oct 5, 2026
First-hour rating 74 gal 74 gal State Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
EEX-50-DXRT 1**460.927498%Medium

UEF is the uniform energy factor. A dash means the model has no such figure.

It holds 46 gallons in the test, 4 gallons less than its 50-gallon sold size. Starting full, it gives 74 gallons of hot water in its first hour of use. Reheating lets it give 28 gallons beyond the 46 gallons in its tank. In the first hour, 23 of the 477 electric storage models give more hot water. The median electric storage model gives 55 gallons in its first hour.

In the test, 8% of its energy does not reach the hot water (UEF 0.92). The daily hot water use in the test, called its draw pattern, was medium. Among 297 electric storage models on its draw pattern, 81 have a higher UEF. For its type and draw pattern, its UEF sits at the median. The water took in 98% of the energy used to reheat it (its recovery efficiency).

There are 3 more basic models with the same test figures. Those basic models are sold with A. O. Smith, American, and RELIANCE WATER HEATERS as their brand names. For the full group, see the A. O. Smith PETX-50 1**.

Also listed as

They carry every figure in the table above.

Updated Oct 19, 2026 · Methodology

Not covered

  • Changes to an advertised figure after the date beside it.