B and model compressors
The B and model compressors are available in 1/3, 1/2, 3/4, 1, 1-1/2, 1-3/4, and 2 hp units. All of them use a 45-oz charge of oil. They have a wide variety of temperature and air-conditioning applications. These models may have a B or a C preceding the model serial number. This is to indicate the series of compressors.