WATER HEATER DATE CODES (by serial #)
American
American, Craftmaster, Mor-Flo/American, SABH, US Craftmaster, Ace, American Hardware, Best, Best Deluxe, Apex, Aqua Temp, Aqua Therm, Aquamatic, Champion, De-Limier, Deluxe, Eagle, Earl's Energy Saver, Envirotemp, Four Most, Hotmaster, Hotstream, King-Cleen, King-Line. Master Plumber, Nationaline, Neptune, Penguin, Prestige, Proline, Proline-plus, Quacker, Quick-flo, Raywall, Revere, Riviera, Sands, Sentinal, Service-Star, Shamrock, Special Deluxe, Standard, Super Eagle, Sure-Fire, Thoro-cleamn, True-Test, Tru Value, US Supply, XCL-Energy Saver
2-digit year followed by 2-digit week
9746****** is 46th week of 1997
A. O Smith
A. O Smith, Glascote, Permaglas
Second letter is the month followed by 2-digit year
A through N is January through December (excluding the letter I)
Bradford-White
Bradford-White, Jetglas
Lochinvar
Lochinvar, Energy Saver, Golden Knight, Knight
First letter is the year, second is the month
A is 1964, 1984 or 2004
Rheem, General Electric
Rheem, Ruud, Rheem/Ruud, Richmond, Vista Therm, Citation, Aqua Therm, Energy Master, Vanguard, Cimmaron, Coast to Coast, Lowes, Servi-star, Tru-value, ABS, Intertherm & Miller, Mainstream, Montogery Ward, Professional.
2-digit month followed by 2-digit year
0794***** is July 1994
State Industries
State, Kenmore, Reliance, Ace , Ambassador, Barnett, Century, Crosley, Energy Stretcher, Freedom, Freedom/Nipsco, Hardware House, Master Plumber/True 5, Mission, Nationaline, Patriot, Penfield, President, Regency, Century, The Plumbery, Thermo-king, TopLine
1-letter month followed by 2-digit year
C05******* is March 2005
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