Serial number help

Can someone tell me date on this Commercial equipment?

Model M1150-12-3SF-15 Ser ZD73004525Bradford White Comercial storage tank water heater

Trane HVAC model GEVb04831G0220TR Ser W03D13999

John, can’t help you with that, but, FYI… I seem to recall about 3 months ago a recall on commercial water heater TPR valves. I’ll see if I can find the link, and post it if I do.

Yep… here you go…

The Bradford White is April 2001

The Trane appears to be January 1983.