Check Your Water Heater's Age
Enter your water heater brand, serial number, and model number to instantly discover the manufacturing date, current age, and detailed specifications. Essential for warranty claims, maintenance planning, and replacement decisions.
1
Select Brand2
Enter Details3
Get ResultsNeed a plumber? Get free quotes from trusted local plumbers
Share This Tool
Help others check their water heater age and get maintenance recommendations
Share link:
Finding Your Serial Number
Visual Location Guide
Check these numbered locations on your water heater to find the serial number label
Common Locations:
- 1Side panel near the bottom
- 2Front access panel
- 3Behind removable covers
- 4On the water heater jacket
What to Look For:
- White or metallic manufacturer label
- Usually includes model number and capacity
- Serial number is typically 8-12 characters
- May be labeled as "Serial No." or "S/N"
Pro Tip: If you can't find the serial number, try removing access panels or checking behind the temperature dial.
Serial Number Examples:
A.O. Smith / State
0950A12345
AF04A093001
Usually starts with numbers or letters, may include dashes
Rheem / Ruud
M092504723
F051234567
Often starts with a letter followed by numbers
Bradford White
PB47429651
MC51234567
First letter indicates year, second letter indicates month
Tip: Don't worry if your serial number doesn't match these examples exactly. Each brand has multiple formats, and our system can decode most variations.