How old is my heat pump water heater?

4 heat pump water heater brands catalogued, 1 with a sourced serial format you can decode here. Pick your brand; the serial format depends on it.

• 1 of 4 heat pump water heater brands on this site have a sourced serial number date format.

Brands with a decoder

Brands catalogued, format not yet sourced

• GE Water Heaters
• Rheem Water Heaters
• Stiebel Eltron

Where the data plate is on a heat pump water heater

On the tank side like a conventional heater, usually below the compressor housing.

General guidance, not brand-specific: the owner's manual or the installer can point to the exact spot. See the data plate guide.

Data plate guide Official lookups All categories