The Universal Serial Number Decoder & Age Estimator.
Built by insurance professionals, for insurance professionals.
The Serial Number Decoder was created by a team of licensed insurance adjusters, independent appraisers, and appliance technicians who shared a common frustration: there was no single, reliable resource for quickly establishing the manufacture date of an appliance or water heater during a claims investigation.
We built what we wished had existed — a clean, fast, professional-grade tool that consolidates decades of manufacturer serial number documentation into one place.
Accurate manufacture dates are critical to fair, defensible claim outcomes. Our team uses this tool daily for:
Our decoder database is compiled from manufacturer technical documentation, service manuals, and trusted industry references including electrical-forensics.com and homespy.io. It is reviewed and updated regularly to keep pace with evolving serial number formats across appliance and water heater brands.
This tool is designed for insurance adjusters, independent appraisers, field technicians, contractors, and other claims professionals who need fast, reliable manufacture date information. It is freely accessible and provided as a professional resource to the industry.