When entering the serial number of the heater:
For 11-digit serial numbers, e.g. 1625F0015279, please enter all 11 digits.
For 13-digit serial numbers, e.g. 1641100897542, please enter only the last 9 digits, e.g. 100897542.
For serial numbers with MT, e.g. 1800MT11223344, please enter the MT followed by the next eight digits.
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This page is for validation only.
Please log in or complete a
Warranty Application Form
to submit a claim.
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WARNING! – The information provided here is preliminary only. Previous replacement,
improper installation and other conditions, outside the manufacturer’s control and
requirements for warranty may prevent reimbursement. A. O. Smith reserves the right
to deny reimbursement if, upon investigation, any such condition is identified
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