Locate the Water Heater Serial Number - Water Heater Replacement Guide: Age & Signs of Failure

Step 1 · Locate the Water Heater Serial Number

Find your water heater's serial number. This is usually on a sticker located on the side of the tank. The serial number often contains the manufacturing date.

Step 1 · Locate the Water Heater Serial Number

Find your water heater's serial number. This is usually on a sticker located on the side of the tank. The serial number often contains the manufacturing date.