Rheem performance 18 kw self-modulating 3.51 gpm tankless electric Rheem retex-27 performance 27 kw self-modulating 5.3 gpm electric Rheem tankless electric heaters rtex gpm 240v 18kw heating cpooutlets propane retex kw heate chambers modulating 240vac pick buyer
Rheem Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric
Rheem retex tankless gpm modulating kw self heater
Rheem RETEX-27 Performance 27 kw Self-Modulating 5.3 GPM Electric
Rheem Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric