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New Page 1
Determining Water Heater Age
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Manufacturer |
Trade Names |
Where to Look |
How to Decode |
Example |
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American |
ACE, American,
American Hardware, America's Best, Apex, Aqua Temp, AquaTherm, Aquamatic,
Best, Best Deluxe, Champion, Craftmaster, De-Limer, Deluxe, Eagle, The
Earl's Energy Conservation Water Heater, The Earl's Energy Saver Plus,
Envirotemp, Four Most, Hotmaster, Hotstream, King-Kleen, King-Line,
Master Plumber, Nationaline, Neptune, Penquin, Premier Plus, Premier
Plus Self Cleaning Prestige, ProLine and ProLine Plus, Quaker,
Quick-Flo, Raywall, Revere, Riveria, Sands, Sentinal, Servi-Star,
Shamrock, Special Deluxe, Standard, Super Eagle, Super-Flo, Supreme,
Sure-Fire, Thoro-Clean, Tru-Test, Tru Value, U.S. Supply, Whirlpool, XCL
Energy Saver |
Serial # – 1st
4 digits |
1st 2
digits = year
2nd 2
digits= week |
8906xxx = made in the
6th week of the year 1989 |
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Apollo Comfort
Products |
Apollo |
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Bradford-White |
Bradford White,
JetGlas |
Serial # – 1st
2 letters |
1st letter
= year starting with A as 1984,
2nd letter
= month with January (A) through December (M) |
JMxxx = made in the
year 1992 (J) in the month of December (M) |
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Crispaire |
E-tech |
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GSW Water Heating |
John Wood, GSW,
Moffat, Superflue, Medal |
Serial # – 1st
4 digits |
1st & 2nd
number = year,
3rd & 4th
number = month |
8901xxx = made in the
year 1989 in the first month, January |
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Heat Transfer
Products |
Heat Transfer |
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Lochinvar |
Energy Saver, Golden
Knight, Knight |
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Marathon |
Marathon |
Serial # – 1st
4 digits |
1st & 2nd
digit = month,
3rd & 4th
digit = year |
0189xxx = made in the
year 1989 in the first month, January |
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Maytag |
Maytag |
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Rheem |
Aqua Therm, General
Electric, Hotpoint, Professional, Rheem, Vanguard, Western Auto |
Serial # – 1st 4
digits |
1st & 2nd digit =
month,
3rd & 4th digit =
year |
0189xxx = made in the
year 1989 in the first month, January |
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Richmond |
Richmond |
Serial # – 1st 4
digits |
1st & 2nd digit =
month,
3rd & 4th digit =
year |
0189xxx = made in the
year 1989 in the first month, January |
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Ruud |
Professional, Ruud |
Serial # – 1st 4
digits |
1st & 2nd digit =
month,
3rd & 4th digit =
year |
0189xxx = made in the
year 1989 in the first month, January |
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Sears, Roebuck and
Co. |
Kenmore |
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A.O. Smith Water
Products |
National, A.O. Smith,
Glascote, Perma-Glas |
Serial # – 2nd, 3rd,
4th characters |
2nd position (letter)
= month (A being January through M being December)
3rd & 4th position
(numbers) = year |
AJ89xxx = made in
October (J) of 1989 |
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State Industries |
State |
Serial # – 1st 3
characters |
first letter = month
(A being January through M, being December), 2nd and 3rd position
(numbers) = year |
J89xxx = made in
October of 1989 |
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Summit Manufacturing
Mortex |
Sun Therm |
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U.S. Craftsmaster
Water Heaters |
Ace, American
Hardware, America's Best, Apex, Aqua Temp, Aqua Therm, Aquamatic, Best,
Best Deluxe, Craftmaster, De-Limer, Deluxe, Eagle, The Earl's Energy
Conservation Water Heater, The Earl's Energy Saver Plus, Envirotemp,
Four Most, Hotmaster, Hotstream, King-Kleen, King-Line, Master Plumber,
Nationaline, Neptune, Penquin, Prestige, Pro-Line, Pro-Line Plus,
Quaker, Quick-Flo, Raywall, Revere, Riviera, Sands, Sentinal, Servistar,
Shamrock, Special Deluxe, Standard, Supereagle, Super-Flo, Supreme,
Sure-Fire, Thoro-Clean, True-Test, Tru Value, U.S. Craftmaster, U.S.
Supply, Whirlpool, XCL Energy Saver |
Serial # – 1st 4
digits |
1st 2 digits = year
2nd 2 digits= week |
8924xxx = made in the
24th week of the year 1989 |
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Vaugn Manufacturing
Corp. |
Sepco, Hydrohot, D.W.
Whitehead |
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Patton Home Inspections
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