CMC-36, CMC-37, CMC-38, CMC-39, CMC-40 and CMC-41 are field-installable crankcase heater kits to be used with Bard W Series wall-mount units.
Bard® Compressor Crankcase Heater Kit, Additional Information: For Use With: Models W18-36AB-A, W18-36HB-A and WG3S2-C Series Wall-Mount Units
Additional Information | : | For Use With: Models W18-36AB-A, W18-36HB-A and WG3S2-C Series Wall-Mount Units |