The SL series line of exact replacement heavy-duty sealed bimetal disc controls meets the higher electrical requirements of commercial applications. Can handle electrical loads up to 25 Amp at 120/240VAC. If the evaporator coils in the freezer frost over then this thermostat may be defective.Replaces: WR50X10071, WR50X10076, WR50X10021Lead length: 15 in.Open temperature: 64Close temperature: 23Designed to meet or exceed OEM specifications