Rheem ECOSENSE Natural Gas Indoor Tankless Water Heater 180000 BTU

Description

Condition
Open box. Store return
In used condition. Tag was cut so I don't know the model Number of this unit.
All the information I have is on picture # 2
I believe this is an indoor unit.
Cosmetic condition and parts included as pictures.
Unable to test.  Might need repairs, No returns.