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Lochinvar GPVX-50L 2**

Lochinvar GPVX-50L 2** is in the DOE listing as of Oct 26, 2026.

  • Gas storage water heater
  • 2 listed models

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

Its figures are also listed under A. O. Smith GPVX-50L 2**.

Storage volume
50gallons
UEF
0.73Uniform energy factor
First-hour rating
119gallonsHot water in the first hour
See it among every gas storage model

Advertised and certified figures

Lochinvar GPVX-50L 2**: advertised and certified
Lochinvar GPVX-50L 2**: advertised and certified Size: advertised 50 gal, certified 50 gal (advertised nominal size, certified storage volume). Size: advertised 50 gal, certified 50 gal (certified storage volume). UEF: advertised 0.73, certified 0.73. UEF: advertised 0.73, certified 0.73 (advertised up to). Size · advertised nominal size, certified storage volume Advertised 50 gal Certified 50 gal Size · certified storage volume Advertised 50 gal Certified 50 gal UEF Advertised 0.73 Certified 0.73 UEF · advertised up to Advertised 0.73 Certified 0.73
FigureAdvertisedCertifiedAdvertiserRead
Size 50 gal, nominal size 50 gal storage volume Lochinvar Read Oct 5, 2026
Size 50 gal 50 gal storage volume Lochinvar Read Oct 5, 2026
UEF 0.73 0.73 Lochinvar Read Oct 5, 2026
UEF up to 0.73 0.73 Lochinvar Read Oct 5, 2026
First-hour rating 119 gal 119 gal Lochinvar Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PVL05065ST 2*1500.7311982%High
PVN05065ST 2**500.7311982%High

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

Sold as 50 gallons, it holds 50 gallons in the test. Starting full, it gives 119 gallons of hot water in its first hour of use. Its tank holds 50 gallons, so reheating adds 69 gallons during the first hour. Among 763 gas storage models, 32 have a higher first-hour rating. Among gas storage models, the median first-hour rating is 78 gallons.

It was not listed as ENERGY STAR certified on Oct 26, 2026. In tests, 73% of the energy went to hot water, so its UEF is 0.73. In the test, daily hot water use was set to high (its draw pattern). Among 434 gas storage models on its draw pattern, 54 have a higher UEF. For its type and draw pattern, the UEF runs from 0.61 to 0.90. The water took in 82% of the energy used to reheat it (its recovery efficiency).

Its 2 model numbers are PVL05065ST 2*1 and PVN05065ST 2**. There are 5 more basic models with the same test figures. They are listed under 5 other brands, one each. For the full group, see the A. O. Smith GPVX-50L 2** page.

In 2 states, 2 rebate programs may accept it.

Also listed as

They carry every figure in the table above.

Rebates

ProgramStateStatusProgram 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.

Updated Oct 26, 2026 · Methodology

Not covered

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