Hot Water List

American GPDT-50 3**

American GPDT-50 3** is in the DOE listing as of Oct 26, 2026.

  • Gas storage water heater
  • 4 listed models

Not listed as ENERGY STAR certified on Oct 26, 2026.

Its figures are also listed under A. O. Smith GPDT-50 3**.

Certified figures

Storage volume
48gallons
UEF
0.72Uniform energy factor
First-hour rating
79gallonsHot water in the first hour

Advertised and certified figures

American GPDT-50 3**: advertised and certified
American GPDT-50 3**: advertised and certified Size: advertised 50 gal, certified 48 gal (advertised nominal size, certified storage volume). Size: advertised 48 gal, certified 48 gal (certified storage volume). UEF: advertised 0.72, certified 0.72. First-hour rating: advertised 79 gal, certified 79 gal. Size · advertised nominal size, certified storage volume Advertised 50 gal Certified 48 gal Size · certified storage volume Advertised 48 gal Certified 48 gal UEF Advertised 0.72 Certified 0.72 First-hour rating Advertised 79 gal Certified 79 gal
American GPDT-50 3**: advertised figures, where and when read
FigureAdvertisedCertifiedAdvertiserRead
Size 50 gal, nominal size 48 gal storage volume American Read Oct 5, 2026
Size 48 gal 48 gal storage volume American Read Oct 5, 2026
UEF 0.72 0.72 American Read Oct 5, 2026
First-hour rating 79 gal 79 gal American Read Oct 5, 2026

Certified figures by listed model

American GPDT-50 3**: certified figures by listed model
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PDVG62-50T45-NV 3**480.727979%High
PDVG62-50T45-NVL 3**480.727979%High
PDVG62-50T45-PV 3*1480.727979%High
PDVG62-50T45-PVL 3*1480.727979%High

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

It holds 48 gallons in the test, 2 gallons less than its 50-gallon sold size. It delivers 79 gallons of hot water in the test's first hour. Reheating lets it give 31 gallons beyond the 48 gallons in its tank. Among 763 gas storage models, 344 have a higher first-hour rating. The median gas storage model gives 78 gallons in the first hour of the test.

On Oct 26, 2026, this heater was not listed as ENERGY STAR certified. In the test, 28% of its energy does not reach the hot water (UEF 0.72). Its test ran at the high level of daily hot water use. Its UEF is lower than that of 71 of the 434 gas storage models with its draw pattern. For its type and draw pattern, the median UEF is 0.66. When it reheats water in the test, 79% of the energy it uses ends up in the water.

It is sold under 4 model numbers in all. Its test figures match those of 6 other basic models. Each of the 6 other brands lists one of them. For the full group, see the A. O. Smith GPDT-50 3**.

It may qualify for 2 rebate programs in 2 states.

Also listed as

They carry every figure in the table above.

Rebates

Programs change their terms. Check the program's own page before you buy.

Updated Oct 26, 2026 · Methodology

Not covered

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