Water heaters / GE

How old is my GE water heater?

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Where to find the serial number

Rating label on the side of a tank water heater
Close-up of a rating label showing the serial numberLook for “Serial No.” on the label above the gas valve

GE serial formats we can read

Dark = year, orange = month or week.

Month/year with optional GE-family prefix

1108903259

November 2008.

Coverage and sources

Only these legacy Rheem-style GE serials are supported. Modern GE/Midea and Rinnai-built tankless units use different formats.

References checked 2026-10-26.

Independent reference tool, unaffiliated with GE. Sources & method