Rheem retex tankless kw modulating gpm heater Rheem retex-27 performance 27 kw self-modulating 5.3 gpm electric
Rheem RETEX-27 Performance 27 kw Self-Modulating 5.3 GPM Electric
Rheem RETEX-27 Performance 27 kw Self-Modulating 5.3 GPM Electric