The Beverage-Air 302-439A overload protector is a replacement part that is suitable for use with compatible Beverage-Air refrigerators, merchandisers, and coolers to protect the compressor. The overload protector fits Beverage-Air models BZ13, DW79, DW94, ER74, KR74, LV66-1, LV72-1, MT33, MT35, MT38, PR74, PRD74, PRI2, PRT2, SMF49, and SMF58. This replacement part is approved by the original equipment manufacturer (OEM).