The model (RHQA-1220T) and serial number are found on a metal data plate, typically located on the side or front panel of the unit.
Here are some key features of the Rheem RHQA 1220T:
Features a built-in filter rack accessible without tools for quick, painless seasonal maintenance. Installation Guidelines
: Indicates the supplemental electric heat capacity, which is 19.2 kW (approximately 65,530 BTU/hr).