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