Hydro Quip 1.375kW 5.5kW [13" x 2"] Versi Heat Heater [9 Pin] [Retro Fit Kit] (48 0007A) modular This type of part is This type of part is especially useful when the surrounding electrical system remains serviceable and the issue is centered on the control contactor itself The EW 72 fit gives this assembly practical value because internal filter components work best when they match the original geometry closely This version is especially useful when the installation depends on the 9 pin format and the 13 inch by 2 inch Versi Heat heater profile A retrofit kit is useful because it helps convert or refresh the supported system with a more complete replacement package rather than requiring a technician to piece everything together individually