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Repair guides and support for gas and electric hot water tanks, boilers and household heat exchangers.

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How old is my water tank 1131A016009

Model number 153.331661

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Hi @prodriguez7711 ,

Hopefully the information (at least the month (or week) and year of manufacture) should be stamped on the rating plate.

Here’s an image taken from the User guide for your model water heater - see p.10, showing the location of the rating plate.

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(click on image to enlarge for better viewing)

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Manufactured by State in August 2011 according to

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Pedro will be eternally grateful.
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