Sanden AC Compressor Models and Nomenclature
A quick understanding of the sanden accompressor number and types. Sanden ac compressor units are some of the most reliable AC compressors on the market and understanding the terminology of how to purchase the correct one is vital. R-12 sanden ac compressors use a specific numbering system and the R12 sanden ac compresors use "SD" to signify the Sanden name. Then the units have a 3 digit code such as 709 for the R-12 sanden ac compressors.
The Sanden compressors that are designated for the R-134 freon use a slightly different code then the R-12 sanden compressors. The code is easy to determine and follow a code like SD7H15HD can be broken down into its parts. The SD stands for sanden the maker of this air conditioning compressor. The 7 is the number of cylinders in the sanden compressor, H stands for the port location (H if it is on the head and B if it is on the block) the 15 is the displacement in cubic centimeters. The HD stands for heavy duty and there can also be SHD for sealed heavy duty clutch.