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Age by Serial Number

agebyserialnumber.com

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Check supported water-heater and HVAC date codes, estimate water-heater size and read model-specific status-code references.

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About this website

Check supported water-heater and HVAC date codes, estimate water-heater size and read model-specific status-code references. Age by Serial Number is a published listing in Freeboard’s Home & Garden directory. Its submission has completed Freeboard verification or review.

What Freeboard knows about this listing

Status
Accepted and live
Category
Home & Garden
Acceptance method
a confirmed submitter email and editorial review
Accepted on
23 Oct 2026
Clicks delivered
0
First indexed
23 Oct 2026
Outbound destination
Available through Freeboard click tracking

Freeboard offers free submissions and optional $10 instant acceptance. Payment skips the review queue; it does not buy rank or prove ownership. Listings are ordered by Freeboard clicks. Freeboard does not endorse the external destination. How listing works.