Rheem retex gpm tankless modulating Rheem, retex-18, performance 18 kw self-modulating 3.5 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
Rheem retex tankless kw modulating gpm heater
Rheem, RETEX-18, Performance 18 kW Self-Modulating 3.5 GPM Electric
Rheem RETEX-27 Performance 27 kw Self-Modulating 5.3 GPM Electric