Water Heater Date of Manufacture by Serial Number

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 46^th 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