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RELIANCE WATER HEATERS ENLB-50 1**

RELIANCE WATER HEATERS ENLB-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 ENLB-50 1**.

Storage volume
44gallons
UEF
0.93Uniform energy factor
First-hour rating
60gallonsHot water in the first hour
See it among every electric storage model

Advertised and certified figures

RELIANCE WATER HEATERS ENLB-50 1**: advertised and certified
RELIANCE WATER HEATERS ENLB-50 1**: advertised and certified Size: advertised 48 gal, certified 44 gal (advertised nominal size, certified storage volume). Size: advertised 44 gal, certified 44 gal (certified storage volume). UEF: advertised 0.93, certified 0.93. First-hour rating: advertised 60 gal, certified 60 gal. Size · advertised nominal size, certified storage volume Advertised 48 gal Certified 44 gal Size · certified storage volume Advertised 44 gal Certified 44 gal UEF Advertised 0.93 Certified 0.93 First-hour rating Advertised 60 gal Certified 60 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 48 gal, nominal size 44 gal storage volume RELIANCE WATER HEATERS Read Oct 4, 2026
Size 44 gal 44 gal storage volume RELIANCE WATER HEATERS Read Oct 4, 2026
UEF 0.93 0.93 RELIANCE WATER HEATERS Read Oct 4, 2026
First-hour rating 60 gal 60 gal RELIANCE WATER HEATERS Read Oct 4, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
6-50-EOLBS 1**440.936098%Medium

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

It holds 44 gallons in the test, 4 gallons less than its 48-gallon sold size. It delivers 60 gallons of hot water in the test's first hour. Its tank holds 44 gallons, so reheating adds 16 gallons during the first hour. Of 477 electric storage models, 145 give more hot water in the first hour. The median electric storage model gives 55 gallons in the first hour of the test.

In tests, 93% of the energy went to hot water, so its UEF is 0.93. The daily hot water use in the test, called its draw pattern, was medium. Of 297 electric storage models with the same draw pattern, 20 have a higher UEF. A UEF of 0.92 is the median for its type and draw pattern. Of the energy spent to reheat water, 98% goes into it (its recovery efficiency).

There are 5 more basic models with the same test figures. Each of them is listed under a different brand. For the full group, see the A. O. Smith ENLB-50 1** page.

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.